{"title":"Soil Moisture Detection School Project — Chennai","description":"\u003cp\u003e\u003cstrong\u003eGo Science\u003c\/strong\u003e is a multi-channel STEM and school project kit retailer — shop online at goscience.in or visit the \u003cstrong\u003eGo Science Chennai T. Nagar Store\u003c\/strong\u003e (12, Sivaprakasam Street, T. Nagar, Chennai — 600017, Tamil Nadu). Every kit is stocked, quality-checked, and dispatched directly.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003eGo Science Smart Soil Moisture Detection School Project Kit (₹649)\u003c\/strong\u003e is a pre-assembled sensor-based working model for \u003cstrong\u003eGrades 7–12\u003c\/strong\u003e. It demonstrates automatic soil moisture sensing — the sensor detects moisture levels in soil and triggers a visible output, replicating real-world precision agriculture and smart farming technology.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCurriculum relevance:\u003c\/strong\u003e Supports CBSE and NCERT Physics, Biology, and Environmental Science concepts — sensors, conductivity, soil science, automation, and sustainable agriculture.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to get it in Chennai:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOrder online — delivered to your door in \u003cstrong\u003e60 minutes\u003c\/strong\u003e across Chennai\u003c\/li\u003e\n\u003cli\u003eVisit the \u003cstrong\u003eGo Science Chennai T. Nagar Store\u003c\/strong\u003e — browse, buy, and take it home the same day\u003c\/li\u003e\n\u003cli\u003eIn-store pickup available in 60 minutes after ordering online\u003c\/li\u003e\n\u003cli\u003eSame price online and in-store: \u003cstrong\u003e₹649\u003c\/strong\u003e. No delivery surcharge.\u003c\/li\u003e\n\u003cli\u003eStore hours: Monday–Saturday, 11 AM–8 PM  |  +91 44 4858 1200\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"soil-moisture-detection-school-project-and-demonstration-kit","title":"Smart Soil Moisture Detection School project \u0026 demonstration kit using Sensor Go Science Classroom Series","description":"\u003ch1 data-section-id=\"15or0hs\" data-start=\"595\" data-end=\"655\" class=\"PDq2pG_selectionAnchorContainer\"\u003eSmart Soil Moisture Detection Using Soil Moisture Sensor Go Science Classroom Series\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch2 data-section-id=\"7zs5vb\" data-start=\"656\" data-end=\"717\"\u003ePre-Wired Smart Farming School Project \u0026amp; Demonstration Kit\u003c\/h2\u003e\n\u003ch3 data-section-id=\"lm21ma\" data-start=\"719\" data-end=\"771\"\u003eSee soil conditions become an electronic signal.\u003c\/h3\u003e\n\u003cp data-start=\"773\" data-end=\"886\"\u003eTurn soil moisture, electrical conductivity and electronic switching into a live, observable learning experience.\u003c\/p\u003e\n\u003cp data-start=\"773\" data-end=\"886\"\u003e\u003ciframe width=\"1012\" height=\"569\" src=\"https:\/\/www.youtube.com\/embed\/Cgluj3yZOgs\" title=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp data-start=\"773\" data-end=\"886\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"888\" data-end=\"1115\"\u003eThe \u003cstrong data-start=\"892\" data-end=\"959\"\u003eGo Science Classroom Series Smart Soil Moisture Detection Model\u003c\/strong\u003e brings a soil-moisture probe, comparator module, BC547 transistor switching circuit and audible buzzer together on one complete pre-wired working platform.\u003c\/p\u003e\n\u003cp data-start=\"1117\" data-end=\"1265\"\u003eStudents can prepare separate dry and wet soil samples, move the probe between them and observe how the system responds to changing soil conditions:\u003c\/p\u003e\n\u003cp data-start=\"1267\" data-end=\"1344\"\u003e\u003cstrong data-start=\"1267\" data-end=\"1344\"\u003eCheck the Soil → Compare Moisture → Switch the Circuit → Produce an Alert\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1346\" data-end=\"1386\"\u003eIn the model’s configured demonstration:\u003c\/p\u003e\n\u003cp data-start=\"1388\" data-end=\"1438\"\u003e\u003cstrong data-start=\"1388\" data-end=\"1411\"\u003eDry Soil → Alarm On\u003c\/strong\u003e\u003cbr data-start=\"1411\" data-end=\"1414\"\u003e\u003cstrong data-start=\"1414\" data-end=\"1438\"\u003eWet Soil → Alarm Off\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1440\" data-end=\"1768\"\u003eThe model helps students explore how soil conditions can be sensed, compared against an adjustable threshold and converted into an automatic electronic response. It provides a practical foundation for understanding soil-moisture monitoring, electrical conductivity, transistor switching, smart farming and responsible water use.\u003c\/p\u003e\n\u003cp data-start=\"1770\" data-end=\"2035\"\u003eDesigned for \u003cstrong data-start=\"1783\" data-end=\"1798\"\u003eGrades 7–12\u003c\/strong\u003e, the model is suitable for school projects, science exhibitions, classroom demonstrations, practical electronics activities and smart-agriculture presentations.\u003c\/p\u003e\n\u003ch1 data-section-id=\"nh62sj\" data-start=\"23683\" data-end=\"23707\"\u003eProduct Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"23709\" data-end=\"24416\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"23709\" data-end=\"23736\"\u003e\n\u003ctr data-start=\"23709\" data-end=\"23736\"\u003e\n\u003cth data-start=\"23709\" data-end=\"23725\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"23725\" data-end=\"23736\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"23747\" data-end=\"24416\"\u003e\n\u003ctr data-start=\"23747\" data-end=\"23791\"\u003e\n\u003ctd data-start=\"23747\" data-end=\"23762\" data-col-size=\"sm\"\u003eProduct type\u003c\/td\u003e\n\u003ctd data-start=\"23762\" data-end=\"23791\" data-col-size=\"md\"\u003eEducational working model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23792\" data-end=\"23828\"\u003e\n\u003ctd data-start=\"23792\" data-end=\"23813\" data-col-size=\"sm\"\u003eRecommended grades\u003c\/td\u003e\n\u003ctd data-start=\"23813\" data-end=\"23828\" data-col-size=\"md\"\u003eGrades 7–12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23829\" data-end=\"23869\"\u003e\n\u003ctd data-start=\"23829\" data-end=\"23846\" data-col-size=\"sm\"\u003ePrimary sensor\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"23846\" data-end=\"23869\"\u003eSoil-moisture probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23870\" data-end=\"23919\"\u003e\n\u003ctd data-start=\"23870\" data-end=\"23887\" data-col-size=\"sm\"\u003eControl module\u003c\/td\u003e\n\u003ctd data-start=\"23887\" data-end=\"23919\" data-col-size=\"md\"\u003eAdjustable comparator module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23920\" data-end=\"23966\"\u003e\n\u003ctd data-start=\"23920\" data-end=\"23942\" data-col-size=\"sm\"\u003eSwitching component\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"23942\" data-end=\"23966\"\u003eBC547 NPN transistor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23967\" data-end=\"23996\"\u003e\n\u003ctd data-start=\"23967\" data-end=\"23976\" data-col-size=\"sm\"\u003eOutput\u003c\/td\u003e\n\u003ctd data-start=\"23976\" data-end=\"23996\" data-col-size=\"md\"\u003e5V active buzzer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"23997\" data-end=\"24058\"\u003e\n\u003ctd data-start=\"23997\" data-end=\"24024\" data-col-size=\"sm\"\u003eDemonstration conditions\u003c\/td\u003e\n\u003ctd data-start=\"24024\" data-end=\"24058\" data-col-size=\"md\"\u003eUser-prepared dry and wet soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24059\" data-end=\"24110\"\u003e\n\u003ctd data-start=\"24059\" data-end=\"24081\" data-col-size=\"sm\"\u003eContainers included\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"24081\" data-end=\"24110\"\u003eYes, two empty containers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24111\" data-end=\"24133\"\u003e\n\u003ctd data-start=\"24111\" data-end=\"24127\" data-col-size=\"sm\"\u003eSoil included\u003c\/td\u003e\n\u003ctd data-start=\"24127\" data-end=\"24133\" data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24134\" data-end=\"24171\"\u003e\n\u003ctd data-start=\"24134\" data-end=\"24153\" data-col-size=\"sm\"\u003eBattery required\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"24153\" data-end=\"24171\"\u003eOne 9V battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24172\" data-end=\"24197\"\u003e\n\u003ctd data-start=\"24172\" data-end=\"24191\" data-col-size=\"sm\"\u003eBattery included\u003c\/td\u003e\n\u003ctd data-start=\"24191\" data-end=\"24197\" data-col-size=\"md\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24198\" data-end=\"24245\"\u003e\n\u003ctd data-start=\"24198\" data-end=\"24215\" data-col-size=\"sm\"\u003eDigital manual\u003c\/td\u003e\n\u003ctd data-start=\"24215\" data-end=\"24245\" data-col-size=\"md\"\u003eIncluded through QR access\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24246\" data-end=\"24316\"\u003e\n\u003ctd data-start=\"24246\" data-end=\"24268\" data-col-size=\"sm\"\u003eVideo demonstration\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"24268\" data-end=\"24316\"\u003eIncluded through gallery, YouTube and box QR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24317\" data-end=\"24360\"\u003e\n\u003ctd data-start=\"24317\" data-end=\"24342\" data-col-size=\"sm\"\u003eApproximate dimensions\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"24342\" data-end=\"24360\"\u003e16 × 11 × 5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"24361\" data-end=\"24416\"\u003e\n\u003ctd data-start=\"24361\" data-end=\"24376\" data-col-size=\"sm\"\u003eIntended use\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"24376\" data-end=\"24416\"\u003eSupervised educational demonstration, School project\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"24418\" data-end=\"24615\"\u003eThe supplied documentation confirms the electronic components, dimensions, battery requirement and demonstration process.\u003c\/p\u003e\n\u003ch1 data-section-id=\"cdsp2y\" data-start=\"2042\" data-end=\"2081\"\u003eA Complete Guided Learning Experience\u003c\/h1\u003e\n\u003ch2 data-section-id=\"19qh524\" data-start=\"2083\" data-end=\"2154\"\u003eWorking model, digital manual and video demonstration—all connected.\u003c\/h2\u003e\n\u003cp data-start=\"2156\" data-end=\"2310\"\u003eEvery Go Science Classroom Series kit is supported by a guided learning experience that helps students understand, test and confidently present the model.\u003c\/p\u003e\n\u003cp data-start=\"2312\" data-end=\"2340\"\u003eThis kit includes access to:\u003c\/p\u003e\n\u003cul data-start=\"2342\" data-end=\"2698\"\u003e\n\u003cli data-section-id=\"12k1qd3\" data-start=\"2342\" data-end=\"2393\"\u003eA detailed full-colour digital instruction manual\u003c\/li\u003e\n\u003cli data-section-id=\"s8g5m3\" data-start=\"2394\" data-end=\"2452\"\u003eIllustrated component and working-principle explanations\u003c\/li\u003e\n\u003cli data-section-id=\"1runxt8\" data-start=\"2453\" data-end=\"2500\"\u003eStep-by-step setup and demonstration guidance\u003c\/li\u003e\n\u003cli data-section-id=\"1jrdr8q\" data-start=\"2501\" data-end=\"2554\"\u003eA complete video demonstration of the working model\u003c\/li\u003e\n\u003cli data-section-id=\"66badr\" data-start=\"2555\" data-end=\"2605\"\u003eQR access for convenient viewing and downloading\u003c\/li\u003e\n\u003cli data-section-id=\"6lea8i\" data-start=\"2606\" data-end=\"2652\"\u003eSafety, care and troubleshooting information\u003c\/li\u003e\n\u003cli data-section-id=\"i3obxa\" data-start=\"2653\" data-end=\"2698\"\u003eConcept recap and Certificate of Completion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2700\" data-end=\"2758\"\u003eThe learning journey is designed to take students through:\u003c\/p\u003e\n\u003cp data-start=\"2760\" data-end=\"2840\"\u003e\u003cstrong data-start=\"2760\" data-end=\"2840\"\u003eExplore → Understand → Prepare → Watch → Test → Observe → Explain → Complete\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2842\" data-end=\"3087\"\u003eStudents can first understand the model through the manual and video, then operate it under supervision, repeat the demonstration, record observations and use the learning material while preparing for a school presentation or science exhibition.\u003c\/p\u003e\n\u003ch1 data-section-id=\"uc35dk\" data-start=\"3094\" data-end=\"3140\"\u003eDetailed Full-Colour Digital Manual Included\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1v8fnau\" data-start=\"3142\" data-end=\"3184\"\u003eScan, learn and return whenever needed.\u003c\/h2\u003e\n\u003cp data-start=\"3186\" data-end=\"3293\"\u003eA QR code supplied inside the kit provides access to the dedicated digital instruction and learning manual.\u003c\/p\u003e\n\u003cp data-start=\"3295\" data-end=\"3396\"\u003eStudents can open the manual on a phone, tablet or computer and download it for future access during:\u003c\/p\u003e\n\u003cul data-start=\"3398\" data-end=\"3587\"\u003e\n\u003cli data-section-id=\"15f03x6\" data-start=\"3398\" data-end=\"3427\"\u003eInitial project preparation\u003c\/li\u003e\n\u003cli data-section-id=\"18qs540\" data-start=\"3428\" data-end=\"3441\"\u003eModel setup\u003c\/li\u003e\n\u003cli data-section-id=\"12uzkgd\" data-start=\"3442\" data-end=\"3462\"\u003eClassroom learning\u003c\/li\u003e\n\u003cli data-section-id=\"1r1jg2w\" data-start=\"3463\" data-end=\"3481\"\u003eRepeated testing\u003c\/li\u003e\n\u003cli data-section-id=\"37hn7n\" data-start=\"3482\" data-end=\"3514\"\u003eScience-exhibition preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1vdr806\" data-start=\"3515\" data-end=\"3539\"\u003eProject-report writing\u003c\/li\u003e\n\u003cli data-section-id=\"15rfreh\" data-start=\"3540\" data-end=\"3558\"\u003eViva preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1j1lfo5\" data-start=\"3559\" data-end=\"3587\"\u003eRevision and concept recap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3589\" data-end=\"3718\"\u003eThe current manual contains \u003cstrong data-start=\"3617\" data-end=\"3652\"\u003e18 colourful, illustrated pages\u003c\/strong\u003e created specifically for the Smart Soil Moisture Detection model.\u003c\/p\u003e\n\u003cp data-start=\"3720\" data-end=\"3732\"\u003eIt includes:\u003c\/p\u003e\n\u003cul data-start=\"3734\" data-end=\"4182\"\u003e\n\u003cli data-section-id=\"k0cysw\" data-start=\"3734\" data-end=\"3770\"\u003eA visual introduction to the model\u003c\/li\u003e\n\u003cli data-section-id=\"chofvq\" data-start=\"3771\" data-end=\"3816\"\u003eA complete guide to the supplied components\u003c\/li\u003e\n\u003cli data-section-id=\"1jaxau3\" data-start=\"3817\" data-end=\"3857\"\u003eExplanation of the soil-moisture probe\u003c\/li\u003e\n\u003cli data-section-id=\"k0zcj8\" data-start=\"3858\" data-end=\"3885\"\u003eComparator-module working\u003c\/li\u003e\n\u003cli data-section-id=\"v9hpve\" data-start=\"3886\" data-end=\"3923\"\u003eBC547 transistor-switching concepts\u003c\/li\u003e\n\u003cli data-section-id=\"a0zdeb\" data-start=\"3924\" data-end=\"3958\"\u003eWet-soil and dry-soil comparison\u003c\/li\u003e\n\u003cli data-section-id=\"55jebk\" data-start=\"3959\" data-end=\"4012\"\u003eIllustrated step-by-step demonstration instructions\u003c\/li\u003e\n\u003cli data-section-id=\"18b0q38\" data-start=\"4013\" data-end=\"4044\"\u003eSafety and operating guidance\u003c\/li\u003e\n\u003cli data-section-id=\"n1um3j\" data-start=\"4045\" data-end=\"4095\"\u003eSmart-farming and water-conservation connections\u003c\/li\u003e\n\u003cli data-section-id=\"sdg2wu\" data-start=\"4096\" data-end=\"4128\"\u003eFun facts and learning prompts\u003c\/li\u003e\n\u003cli data-section-id=\"1rf3i7h\" data-start=\"4129\" data-end=\"4144\"\u003eConcept recap\u003c\/li\u003e\n\u003cli data-section-id=\"m72qjv\" data-start=\"4145\" data-end=\"4182\"\u003ePrintable Certificate of Completion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4184\" data-end=\"4515\"\u003eThe manual’s component guide appears on page 5, the working sequence and wet-versus-dry comparison on pages 6–7, the illustrated operating steps on pages 8–11, learning facts on pages 12–13, safety guidance on page 14, the concept recap on page 15 and the Certificate of Completion on page 17.\u003c\/p\u003e\n\u003ch1 data-section-id=\"19mroy9\" data-start=\"4522\" data-end=\"4565\"\u003eStep-by-Step Video Demonstration Included\u003c\/h1\u003e\n\u003ch2 data-section-id=\"g98ii3\" data-start=\"4567\" data-end=\"4617\"\u003eWatch the actual model before running the test.\u003c\/h2\u003e\n\u003cp data-start=\"4619\" data-end=\"4728\"\u003eEvery kit also provides access to a dedicated video demonstration showing the model and its working sequence.\u003c\/p\u003e\n\u003cp data-start=\"4730\" data-end=\"4775\"\u003eThe video helps students visually understand:\u003c\/p\u003e\n\u003cul data-start=\"4777\" data-end=\"5128\"\u003e\n\u003cli data-section-id=\"t7qbu5\" data-start=\"4777\" data-end=\"4804\"\u003eThe complete model layout\u003c\/li\u003e\n\u003cli data-section-id=\"abmh4x\" data-start=\"4805\" data-end=\"4830\"\u003eThe soil-moisture probe\u003c\/li\u003e\n\u003cli data-section-id=\"1bfqndp\" data-start=\"4831\" data-end=\"4866\"\u003eThe comparator and driver circuit\u003c\/li\u003e\n\u003cli data-section-id=\"ssr8q4\" data-start=\"4867\" data-end=\"4901\"\u003eThe two demonstration containers\u003c\/li\u003e\n\u003cli data-section-id=\"2is6a\" data-start=\"4902\" data-end=\"4933\"\u003eCorrect 9V battery connection\u003c\/li\u003e\n\u003cli data-section-id=\"1nw86uu\" data-start=\"4934\" data-end=\"4975\"\u003ePreparation of wet and dry soil samples\u003c\/li\u003e\n\u003cli data-section-id=\"m37e5n\" data-start=\"4976\" data-end=\"4993\"\u003eProbe placement\u003c\/li\u003e\n\u003cli data-section-id=\"1kq8ti8\" data-start=\"4994\" data-end=\"5017\"\u003eThe wet-soil response\u003c\/li\u003e\n\u003cli data-section-id=\"c5rptm\" data-start=\"5018\" data-end=\"5047\"\u003eThe dry-soil alarm response\u003c\/li\u003e\n\u003cli data-section-id=\"1iimhta\" data-start=\"5048\" data-end=\"5085\"\u003eHow to move between test conditions\u003c\/li\u003e\n\u003cli data-section-id=\"148guki\" data-start=\"5086\" data-end=\"5128\"\u003eHow to conclude the demonstration safely\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5130\" data-end=\"5195\"\u003eThe demonstration video can be accessed in three convenient ways:\u003c\/p\u003e\n\u003ch3 data-section-id=\"1nmiu3p\" data-start=\"5197\" data-end=\"5216\"\u003eProduct Gallery\u003c\/h3\u003e\n\u003cp data-start=\"5218\" data-end=\"5378\"\u003eThe video is included with the product images on the Go Science product page, allowing parents, teachers and students to view the working model before purchase.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iuekfw\" data-start=\"5380\" data-end=\"5410\"\u003eGo Science YouTube Channel\u003c\/h3\u003e\n\u003cp data-start=\"5412\" data-end=\"5542\"\u003eThe demonstration is also available through the official Go Science YouTube presence for convenient viewing, sharing and revision.\u003c\/p\u003e\n\u003ch3 data-section-id=\"mu6kxf\" data-start=\"5544\" data-end=\"5570\"\u003eQR Code on the Kit Box\u003c\/h3\u003e\n\u003cp data-start=\"5572\" data-end=\"5671\"\u003eA QR code printed on the side of the product box provides direct access to the demonstration video.\u003c\/p\u003e\n\u003cp data-start=\"5673\" data-end=\"5760\"\u003eStudents can scan the code whenever they need to revisit the setup or working sequence.\u003c\/p\u003e\n\u003cp data-start=\"5762\" data-end=\"5828\"\u003eThis makes support available before, during and after the project:\u003c\/p\u003e\n\u003cp data-start=\"5830\" data-end=\"5880\"\u003e\u003cstrong data-start=\"5830\" data-end=\"5880\"\u003eScan → Watch → Prepare → Demonstrate → Rewatch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"5882\" data-end=\"5972\"\u003eInternet access and a compatible QR-scanning device are required to open the online video.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1hjr29d\" data-start=\"22373\" data-end=\"22393\"\u003eWhat’s in the preassembled Kit?\u003c\/h1\u003e\n\u003cul data-start=\"22395\" data-end=\"23151\"\u003e\n\u003cli data-section-id=\"1f6019q\" data-start=\"22395\" data-end=\"22423\"\u003eSoil-moisture sensor probe\u003c\/li\u003e\n\u003cli data-section-id=\"1s084mr\" data-start=\"22424\" data-end=\"22481\"\u003eComparator control module with adjustable potentiometer\u003c\/li\u003e\n\u003cli data-section-id=\"n07chm\" data-start=\"22482\" data-end=\"22519\"\u003eCustom general-purpose driver board\u003c\/li\u003e\n\u003cli data-section-id=\"17tk8bu\" data-start=\"22520\" data-end=\"22560\"\u003eBC547 NPN transistor-switching circuit\u003c\/li\u003e\n\u003cli data-section-id=\"1i8s15z\" data-start=\"22561\" data-end=\"22579\"\u003e5V active buzzer\u003c\/li\u003e\n\u003cli data-section-id=\"ifabg4\" data-start=\"22580\" data-end=\"22621\"\u003eTwo empty soil-demonstration containers\u003c\/li\u003e\n\u003cli data-section-id=\"zjevfo\" data-start=\"22622\" data-end=\"22656\"\u003ePre-wired electrical connections\u003c\/li\u003e\n\u003cli data-section-id=\"myf71m\" data-start=\"22657\" data-end=\"22681\"\u003eBattery snap connector\u003c\/li\u003e\n\u003cli data-section-id=\"11gqn54\" data-start=\"22682\" data-end=\"22713\"\u003eWooden component-support base\u003c\/li\u003e\n\u003cli data-section-id=\"133sdq5\" data-start=\"22714\" data-end=\"22750\"\u003eDecorative artificial-grass layout\u003c\/li\u003e\n\u003cli data-section-id=\"19u4i7m\" data-start=\"22751\" data-end=\"22791\"\u003eReady-to-use educational working model\u003c\/li\u003e\n\u003cli data-section-id=\"1a44xy5\" data-start=\"22792\" data-end=\"22834\"\u003eQR access to the detailed digital manual\u003c\/li\u003e\n\u003cli data-section-id=\"lqau8x\" data-start=\"22835\" data-end=\"22892\"\u003eDetailed 18-page full-colour digital instruction manual\u003c\/li\u003e\n\u003cli data-section-id=\"1gzewut\" data-start=\"22893\" data-end=\"22948\"\u003eQR access to the video demonstration from the kit box\u003c\/li\u003e\n\u003cli data-section-id=\"18cz6pz\" data-start=\"22949\" data-end=\"22983\"\u003eStep-by-step video demonstration\u003c\/li\u003e\n\u003cli data-section-id=\"1frz05\" data-start=\"22984\" data-end=\"23014\"\u003eIllustrated testing guidance\u003c\/li\u003e\n\u003cli data-section-id=\"1k61quu\" data-start=\"23015\" data-end=\"23061\"\u003eComponent and working-principle explanations\u003c\/li\u003e\n\u003cli data-section-id=\"61qkjs\" data-start=\"23062\" data-end=\"23105\"\u003eSafety, care and troubleshooting guidance\u003c\/li\u003e\n\u003cli data-section-id=\"i3obxa\" data-start=\"23106\" data-end=\"23151\"\u003eConcept recap and Certificate of Completion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1rc8kfz\" data-start=\"23158\" data-end=\"23179\"\u003eRequired Separately\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1kc5asn\" data-start=\"23181\" data-end=\"23194\"\u003e9V Battery\u003c\/h2\u003e\n\u003cp data-start=\"23196\" data-end=\"23236\"\u003eThe model requires one fresh 9V battery.\u003c\/p\u003e\n\u003cp data-start=\"23238\" data-end=\"23266\"\u003e\u003cstrong data-start=\"23238\" data-end=\"23266\"\u003eBattery is not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"xt59fv\" data-start=\"23268\" data-end=\"23295\"\u003eDry and Wet Soil Samples\u003c\/h2\u003e\n\u003cp data-start=\"23297\" data-end=\"23331\"\u003eSoil is not supplied with the kit.\u003c\/p\u003e\n\u003cp data-start=\"23333\" data-end=\"23352\"\u003eUsers must prepare:\u003c\/p\u003e\n\u003cul data-start=\"23354\" data-end=\"23437\"\u003e\n\u003cli data-section-id=\"1sdv0zy\" data-start=\"23354\" data-end=\"23407\"\u003eOne suitable dry soil, dry earth or dry sand sample\u003c\/li\u003e\n\u003cli data-section-id=\"1d8z2me\" data-start=\"23408\" data-end=\"23437\"\u003eOne evenly damp soil sample\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"23439\" data-end=\"23520\"\u003eOnly small quantities are required for the two supplied demonstration containers.\u003c\/p\u003e\n\u003cp data-start=\"23522\" data-end=\"23676\"\u003eThe soil shown in product photographs, packaging artwork, manuals and videos is used to illustrate the demonstration and is not included with the product.\u003c\/p\u003e\n\u003ch1 data-section-id=\"558def\" data-start=\"5979\" data-end=\"6029\"\u003eLearn Before, During and After the Demonstration\u003c\/h1\u003e\n\u003ch2 data-section-id=\"kockww\" data-start=\"6031\" data-end=\"6058\"\u003eBefore the Demonstration\u003c\/h2\u003e\n\u003cp data-start=\"6060\" data-end=\"6073\"\u003eStudents can:\u003c\/p\u003e\n\u003cul data-start=\"6075\" data-end=\"6317\"\u003e\n\u003cli data-section-id=\"7z06io\" data-start=\"6075\" data-end=\"6101\"\u003eWatch the complete video\u003c\/li\u003e\n\u003cli data-section-id=\"1c0gjpf\" data-start=\"6102\" data-end=\"6127\"\u003eRead the digital manual\u003c\/li\u003e\n\u003cli data-section-id=\"ld6fzy\" data-start=\"6128\" data-end=\"6154\"\u003eIdentify every component\u003c\/li\u003e\n\u003cli data-section-id=\"8hw4k6\" data-start=\"6155\" data-end=\"6198\"\u003ePrepare suitable dry and wet soil samples\u003c\/li\u003e\n\u003cli data-section-id=\"w44uyx\" data-start=\"6199\" data-end=\"6239\"\u003eUnderstand correct battery orientation\u003c\/li\u003e\n\u003cli data-section-id=\"16qd9ud\" data-start=\"6240\" data-end=\"6276\"\u003eReview the wet-versus-dry response\u003c\/li\u003e\n\u003cli data-section-id=\"1om0sbw\" data-start=\"6277\" data-end=\"6317\"\u003eLearn the safety and care instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"3854je\" data-start=\"6319\" data-end=\"6346\"\u003eDuring the Demonstration\u003c\/h2\u003e\n\u003cp data-start=\"6348\" data-end=\"6361\"\u003eStudents can:\u003c\/p\u003e\n\u003cul data-start=\"6363\" data-end=\"6632\"\u003e\n\u003cli data-section-id=\"1l7xzq\" data-start=\"6363\" data-end=\"6400\"\u003eFollow the illustrated instructions\u003c\/li\u003e\n\u003cli data-section-id=\"1tqcf2a\" data-start=\"6401\" data-end=\"6430\"\u003eRefer to the video sequence\u003c\/li\u003e\n\u003cli data-section-id=\"1t8j0lj\" data-start=\"6431\" data-end=\"6459\"\u003eInsert the probe correctly\u003c\/li\u003e\n\u003cli data-section-id=\"7fxm5f\" data-start=\"6460\" data-end=\"6493\"\u003eCompare the two soil conditions\u003c\/li\u003e\n\u003cli data-section-id=\"1h9d6ki\" data-start=\"6494\" data-end=\"6527\"\u003eObserve the comparator response\u003c\/li\u003e\n\u003cli data-section-id=\"13m1coi\" data-start=\"6528\" data-end=\"6561\"\u003eListen for the dry-soil warning\u003c\/li\u003e\n\u003cli data-section-id=\"1ir12bp\" data-start=\"6562\" data-end=\"6592\"\u003eMove between test conditions\u003c\/li\u003e\n\u003cli data-section-id=\"uib35y\" data-start=\"6593\" data-end=\"6632\"\u003eRepeat the activity under supervision\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1b727ih\" data-start=\"6634\" data-end=\"6660\"\u003eDuring the Presentation\u003c\/h2\u003e\n\u003cp data-start=\"6662\" data-end=\"6721\"\u003eStudents can use the supplied learning material to explain:\u003c\/p\u003e\n\u003cul data-start=\"6723\" data-end=\"6956\"\u003e\n\u003cli data-section-id=\"sfkrx5\" data-start=\"6723\" data-end=\"6746\"\u003eSoil-moisture sensing\u003c\/li\u003e\n\u003cli data-section-id=\"1i5wxmh\" data-start=\"6747\" data-end=\"6772\"\u003eElectrical conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"1i10pan\" data-start=\"6773\" data-end=\"6797\"\u003eResistance differences\u003c\/li\u003e\n\u003cli data-section-id=\"1fxv32e\" data-start=\"6798\" data-end=\"6821\"\u003eComparator thresholds\u003c\/li\u003e\n\u003cli data-section-id=\"bkk33h\" data-start=\"6822\" data-end=\"6838\"\u003eDigital output\u003c\/li\u003e\n\u003cli data-section-id=\"ymi66c\" data-start=\"6839\" data-end=\"6867\"\u003eBC547 transistor switching\u003c\/li\u003e\n\u003cli data-section-id=\"1j49ae\" data-start=\"6868\" data-end=\"6893\"\u003eAudible warning systems\u003c\/li\u003e\n\u003cli data-section-id=\"hkqe8d\" data-start=\"6894\" data-end=\"6922\"\u003eSmart-farming applications\u003c\/li\u003e\n\u003cli data-section-id=\"1bgjait\" data-start=\"6923\" data-end=\"6956\"\u003eResponsible irrigation concepts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"17rgp99\" data-start=\"6958\" data-end=\"6984\"\u003eAfter the Demonstration\u003c\/h2\u003e\n\u003cp data-start=\"6986\" data-end=\"6999\"\u003eStudents can:\u003c\/p\u003e\n\u003cul data-start=\"7001\" data-end=\"7209\"\u003e\n\u003cli data-section-id=\"1nb87e6\" data-start=\"7001\" data-end=\"7027\"\u003eReview the concept recap\u003c\/li\u003e\n\u003cli data-section-id=\"1p58i4q\" data-start=\"7028\" data-end=\"7055\"\u003eRewatch the demonstration\u003c\/li\u003e\n\u003cli data-section-id=\"imivit\" data-start=\"7056\" data-end=\"7091\"\u003eRevisit the troubleshooting guide\u003c\/li\u003e\n\u003cli data-section-id=\"1ewhr65\" data-start=\"7092\" data-end=\"7127\"\u003ePrepare their project explanation\u003c\/li\u003e\n\u003cli data-section-id=\"1k47d88\" data-start=\"7128\" data-end=\"7159\"\u003eComplete their project report\u003c\/li\u003e\n\u003cli data-section-id=\"12ppub5\" data-start=\"7160\" data-end=\"7209\"\u003eDownload or print the Certificate of Completion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1rda9dp\" data-start=\"7216\" data-end=\"7254\"\u003eFrom Soil Condition to Audible Alert\u003c\/h1\u003e\n\u003ch2 data-section-id=\"hy085y\" data-start=\"7256\" data-end=\"7319\"\u003eExplore how sensing, comparison and switching work together.\u003c\/h2\u003e\n\u003cp data-start=\"7321\" data-end=\"7399\"\u003eThe model presents soil-moisture detection as one connected functional system.\u003c\/p\u003e\n\u003cp data-start=\"7401\" data-end=\"7708\"\u003eThe probe responds to the electrical condition of the prepared soil sample. The comparator module evaluates that response against an adjustable threshold. Its output then controls a BC547 transistor switching circuit, which determines whether the active buzzer remains silent or produces a dry-soil warning.\u003c\/p\u003e\n\u003cp data-start=\"7710\" data-end=\"7751\"\u003eStudents can follow the complete pathway:\u003c\/p\u003e\n\u003cp data-start=\"7753\" data-end=\"7811\"\u003e\u003cstrong data-start=\"7753\" data-end=\"7811\"\u003eSoil → Probe → Comparator → Transistor Switch → Buzzer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7813\" data-end=\"7958\"\u003eEach component performs a specific role, allowing students to understand how multiple electronic stages combine to produce an automatic response.\u003c\/p\u003e\n\u003chr data-start=\"7960\" data-end=\"7963\"\u003e\n\u003ch1 data-section-id=\"c01vee\" data-start=\"7965\" data-end=\"7999\"\u003ePre-Wired for Direct Exploration\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1sfjur0\" data-start=\"8001\" data-end=\"8045\"\u003eBegin with a complete working foundation.\u003c\/h2\u003e\n\u003cp data-start=\"8047\" data-end=\"8215\"\u003eThe sensing probe, comparator module, transistor driver circuit, buzzer and battery connection are integrated into a pre-wired and pre-assembled demonstration platform.\u003c\/p\u003e\n\u003cp data-start=\"8217\" data-end=\"8302\"\u003eThis working foundation allows students to move directly into meaningful exploration:\u003c\/p\u003e\n\u003cul data-start=\"8304\" data-end=\"8781\"\u003e\n\u003cli data-section-id=\"apikx7\" data-start=\"8304\" data-end=\"8350\"\u003ePrepare and compare dry and wet soil samples\u003c\/li\u003e\n\u003cli data-section-id=\"15e6qbi\" data-start=\"8351\" data-end=\"8393\"\u003eObserve the sensor and module indicators\u003c\/li\u003e\n\u003cli data-section-id=\"17lv0po\" data-start=\"8394\" data-end=\"8433\"\u003eFollow the signal through every stage\u003c\/li\u003e\n\u003cli data-section-id=\"1vbfi2m\" data-start=\"8434\" data-end=\"8461\"\u003eHear the dry-soil warning\u003c\/li\u003e\n\u003cli data-section-id=\"8bc6vg\" data-start=\"8462\" data-end=\"8495\"\u003eConduct repeated demonstrations\u003c\/li\u003e\n\u003cli data-section-id=\"1cody8w\" data-start=\"8496\" data-end=\"8551\"\u003eObserve how threshold adjustment affects the response\u003c\/li\u003e\n\u003cli data-section-id=\"1w6ag4f\" data-start=\"8552\" data-end=\"8581\"\u003eRecord and compare findings\u003c\/li\u003e\n\u003cli data-section-id=\"1l119d7\" data-start=\"8582\" data-end=\"8623\"\u003eInvestigate changes in system behaviour\u003c\/li\u003e\n\u003cli data-section-id=\"1ddthmq\" data-start=\"8624\" data-end=\"8666\"\u003eUnderstand the purpose of each component\u003c\/li\u003e\n\u003cli data-section-id=\"1i9j9c5\" data-start=\"8667\" data-end=\"8702\"\u003eTroubleshoot unexpected responses\u003c\/li\u003e\n\u003cli data-section-id=\"1chop77\" data-start=\"8703\" data-end=\"8743\"\u003eExplain the complete model confidently\u003c\/li\u003e\n\u003cli data-section-id=\"1v6rmnp\" data-start=\"8744\" data-end=\"8781\"\u003eDevelop further smart-farming ideas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"8783\" data-end=\"8811\"\u003eThe model is designed to be:\u003c\/p\u003e\n\u003cp data-start=\"8813\" data-end=\"8883\"\u003e\u003cstrong data-start=\"8813\" data-end=\"8883\"\u003eObserved → Tested → Retested → Understood → Explained → Built Upon\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 data-section-id=\"19y3zfv\" data-start=\"8890\" data-end=\"8925\"\u003eWatch the Complete System Respond\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1dsemj2\" data-start=\"8927\" data-end=\"8957\"\u003e1. Prepare the Soil Samples\u003c\/h2\u003e\n\u003cp data-start=\"8959\" data-end=\"9067\"\u003ePrepare one container with sufficiently dry soil or dry sand and the second container with evenly damp soil.\u003c\/p\u003e\n\u003cp data-start=\"9069\" data-end=\"9140\"\u003eThe soil samples are used to create two contrasting testing conditions.\u003c\/p\u003e\n\u003ch2 data-section-id=\"lttxbz\" data-start=\"9142\" data-end=\"9162\"\u003e2. Check the Soil\u003c\/h2\u003e\n\u003cp data-start=\"9164\" data-end=\"9227\"\u003eInsert the soil-moisture probe gently into one prepared sample.\u003c\/p\u003e\n\u003cp data-start=\"9229\" data-end=\"9342\"\u003eIts exposed conductive tracks interact with the surrounding soil and respond to the electrical path between them.\u003c\/p\u003e\n\u003ch2 data-section-id=\"dptypn\" data-start=\"9344\" data-end=\"9380\"\u003e3. Compare the Moisture Condition\u003c\/h2\u003e\n\u003cp data-start=\"9382\" data-end=\"9436\"\u003eThe probe sends its response to the comparator module.\u003c\/p\u003e\n\u003cp data-start=\"9438\" data-end=\"9547\"\u003eThe module compares the probe response against the threshold selected through its onboard adjustment control.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1u3sp2z\" data-start=\"9549\" data-end=\"9577\"\u003e4. Send the Output Signal\u003c\/h2\u003e\n\u003cp data-start=\"9579\" data-end=\"9693\"\u003eAfter comparing the condition with the selected threshold, the comparator module changes its digital output state.\u003c\/p\u003e\n\u003cp data-start=\"9695\" data-end=\"9756\"\u003eThis output is directed toward the transistor driver circuit.\u003c\/p\u003e\n\u003ch2 data-section-id=\"8x0izq\" data-start=\"9758\" data-end=\"9782\"\u003e5. Switch the Circuit\u003c\/h2\u003e\n\u003cp data-start=\"9784\" data-end=\"9883\"\u003eThe signal reaches the custom general-purpose driver board containing the \u003cstrong data-start=\"9858\" data-end=\"9882\"\u003eBC547 NPN transistor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"9885\" data-end=\"9963\"\u003eThe transistor operates as an electronic switch controlling the active buzzer.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1rmn9b1\" data-start=\"9965\" data-end=\"9991\"\u003e6. Produce the Response\u003c\/h2\u003e\n\u003cp data-start=\"9993\" data-end=\"10135\"\u003eWhen the probe is placed in the prepared dry-soil sample, the model’s configured circuit activates the buzzer and produces an audible warning.\u003c\/p\u003e\n\u003cp data-start=\"10137\" data-end=\"10244\"\u003eWhen the probe is placed in sufficiently wet soil, the circuit changes state and the buzzer remains silent.\u003c\/p\u003e\n\u003cp data-start=\"10246\" data-end=\"10271\"\u003eThe complete response is:\u003c\/p\u003e\n\u003cp data-start=\"10273\" data-end=\"10361\"\u003e\u003cstrong data-start=\"10273\" data-end=\"10361\"\u003eProbe checks soil → Module compares moisture → Transistor switches → Buzzer responds\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"10363\" data-end=\"10536\"\u003eThe supplied documentation and box artwork confirm the configured dry-soil and wet-soil response.\u003c\/p\u003e\n\u003ch1 data-section-id=\"72izqu\" data-start=\"10543\" data-end=\"10576\"\u003eExplore the Soil-Moisture Probe\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1q7d5so\" data-start=\"10578\" data-end=\"10631\"\u003eObserve how moisture affects electrical behaviour.\u003c\/h2\u003e\n\u003cp data-start=\"10633\" data-end=\"10696\"\u003eThe soil-moisture probe contains two exposed conductive tracks.\u003c\/p\u003e\n\u003cp data-start=\"10698\" data-end=\"10801\"\u003eWhen inserted into soil, the electrical path between these tracks changes according to factors such as:\u003c\/p\u003e\n\u003cul data-start=\"10803\" data-end=\"10961\"\u003e\n\u003cli data-section-id=\"1w961c\" data-start=\"10803\" data-end=\"10819\"\u003eMoisture level\u003c\/li\u003e\n\u003cli data-section-id=\"fkjj6x\" data-start=\"10820\" data-end=\"10838\"\u003eSoil composition\u003c\/li\u003e\n\u003cli data-section-id=\"2co973\" data-start=\"10839\" data-end=\"10852\"\u003eProbe depth\u003c\/li\u003e\n\u003cli data-section-id=\"enhr4r\" data-start=\"10853\" data-end=\"10869\"\u003eProbe position\u003c\/li\u003e\n\u003cli data-section-id=\"1xcfojy\" data-start=\"10870\" data-end=\"10893\"\u003eDistribution of water\u003c\/li\u003e\n\u003cli data-section-id=\"7rtz8j\" data-start=\"10894\" data-end=\"10930\"\u003eContact between the probe and soil\u003c\/li\u003e\n\u003cli data-section-id=\"1junwpv\" data-start=\"10931\" data-end=\"10961\"\u003eComparator threshold setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"10963\" data-end=\"11118\"\u003eMoist soil generally provides a stronger conductive path between the tracks. Drier soil generally provides greater resistance and a weaker conductive path.\u003c\/p\u003e\n\u003cp data-start=\"11120\" data-end=\"11223\"\u003eThe probe provides the initial input that the comparator module uses to determine the model’s response.\u003c\/p\u003e\n\u003cp data-start=\"11225\" data-end=\"11246\"\u003eStudents can explore:\u003c\/p\u003e\n\u003cul data-start=\"11248\" data-end=\"11503\"\u003e\n\u003cli data-section-id=\"cfgf1b\" data-start=\"11248\" data-end=\"11263\"\u003eSoil moisture\u003c\/li\u003e\n\u003cli data-section-id=\"1xj47yr\" data-start=\"11264\" data-end=\"11293\"\u003eDry and wet soil conditions\u003c\/li\u003e\n\u003cli data-section-id=\"1i5wxmh\" data-start=\"11294\" data-end=\"11319\"\u003eElectrical conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"1t6gcam\" data-start=\"11320\" data-end=\"11340\"\u003eResistance changes\u003c\/li\u003e\n\u003cli data-section-id=\"l3m4gs\" data-start=\"11341\" data-end=\"11367\"\u003eConductive sensor tracks\u003c\/li\u003e\n\u003cli data-section-id=\"8oz888\" data-start=\"11368\" data-end=\"11382\"\u003eSensor input\u003c\/li\u003e\n\u003cli data-section-id=\"z9zj77\" data-start=\"11383\" data-end=\"11413\"\u003eMoisture-dependent behaviour\u003c\/li\u003e\n\u003cli data-section-id=\"oed5wi\" data-start=\"11414\" data-end=\"11446\"\u003eCause-and-effect relationships\u003c\/li\u003e\n\u003cli data-section-id=\"jzq0p8\" data-start=\"11447\" data-end=\"11503\"\u003ePhysical conditions translated into electronic signals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"11505\" data-end=\"11652\"\u003eThis model demonstrates a threshold-based comparison between prepared test samples. It does not provide a calibrated numerical moisture percentage.\u003c\/p\u003e\n\u003ch1 data-section-id=\"gu7who\" data-start=\"11659\" data-end=\"11691\"\u003eDiscover the Comparator Module\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1i4in8z\" data-start=\"11693\" data-end=\"11749\"\u003eSee how a threshold helps the system make a decision.\u003c\/h2\u003e\n\u003cp data-start=\"11751\" data-end=\"11852\"\u003eThe comparator module receives the probe response and compares it with an adjustable reference level.\u003c\/p\u003e\n\u003cp data-start=\"11854\" data-end=\"12023\"\u003eThis introduces an important electronic concept: a sensor may produce a changing response, while a comparator determines when that response crosses a selected threshold.\u003c\/p\u003e\n\u003cp data-start=\"12025\" data-end=\"12046\"\u003eStudents can observe:\u003c\/p\u003e\n\u003cul data-start=\"12048\" data-end=\"12246\"\u003e\n\u003cli data-section-id=\"1eeie4i\" data-start=\"12048\" data-end=\"12079\"\u003eThe probe providing the input\u003c\/li\u003e\n\u003cli data-section-id=\"sojsre\" data-start=\"12080\" data-end=\"12113\"\u003eThe module evaluating the input\u003c\/li\u003e\n\u003cli data-section-id=\"qncnt0\" data-start=\"12114\" data-end=\"12144\"\u003eThe indicator changing state\u003c\/li\u003e\n\u003cli data-section-id=\"gf73t7\" data-start=\"12145\" data-end=\"12196\"\u003eThe digital output controlling the driver circuit\u003c\/li\u003e\n\u003cli data-section-id=\"15t63bw\" data-start=\"12197\" data-end=\"12246\"\u003eThe buzzer responding to the selected threshold\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"12248\" data-end=\"12360\"\u003eThe onboard potentiometer allows the response point to be adjusted carefully under adult or teacher supervision.\u003c\/p\u003e\n\u003cp data-start=\"12362\" data-end=\"12387\"\u003eStudents can investigate:\u003c\/p\u003e\n\u003cul data-start=\"12389\" data-end=\"12682\"\u003e\n\u003cli data-section-id=\"gthrza\" data-start=\"12389\" data-end=\"12432\"\u003eAt what condition does the output change?\u003c\/li\u003e\n\u003cli data-section-id=\"1mf1p7i\" data-start=\"12433\" data-end=\"12476\"\u003eHow does the threshold affect the buzzer?\u003c\/li\u003e\n\u003cli data-section-id=\"ai8vj0\" data-start=\"12477\" data-end=\"12537\"\u003eWhy do different soil samples produce different responses?\u003c\/li\u003e\n\u003cli data-section-id=\"7u1hmw\" data-start=\"12538\" data-end=\"12578\"\u003eDoes probe depth influence the result?\u003c\/li\u003e\n\u003cli data-section-id=\"17auqc9\" data-start=\"12579\" data-end=\"12635\"\u003eDoes unevenly distributed moisture affect the reading?\u003c\/li\u003e\n\u003cli data-section-id=\"1pfdkab\" data-start=\"12636\" data-end=\"12682\"\u003eHow can the model be reset and tested again?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"jlmo5v\" data-start=\"12689\" data-end=\"12725\"\u003eExplore BC547 Transistor Switching\u003c\/h1\u003e\n\u003ch2 data-section-id=\"13m0lu4\" data-start=\"12727\" data-end=\"12777\"\u003eTurn a control signal into an audible response.\u003c\/h2\u003e\n\u003cp data-start=\"12779\" data-end=\"12898\"\u003eThe model includes a custom general-purpose driver board fitted with a \u003cstrong data-start=\"12850\" data-end=\"12874\"\u003eBC547 NPN transistor\u003c\/strong\u003e and a 5V active buzzer.\u003c\/p\u003e\n\u003cp data-start=\"12900\" data-end=\"12997\"\u003eThe transistor acts as an electronic switch between the comparator output and the buzzer circuit.\u003c\/p\u003e\n\u003cp data-start=\"12999\" data-end=\"13031\"\u003eIn the configured demonstration:\u003c\/p\u003e\n\u003col data-start=\"13033\" data-end=\"13285\"\u003e\n\u003cli data-section-id=\"zy3dn1\" data-start=\"13033\" data-end=\"13077\"\u003eThe probe responds to the soil condition.\u003c\/li\u003e\n\u003cli data-section-id=\"16n873a\" data-start=\"13078\" data-end=\"13120\"\u003eThe comparator evaluates that response.\u003c\/li\u003e\n\u003cli data-section-id=\"1ilyqoe\" data-start=\"13121\" data-end=\"13186\"\u003eThe comparator sends its digital output to the driver circuit.\u003c\/li\u003e\n\u003cli data-section-id=\"1k2rh48\" data-start=\"13187\" data-end=\"13239\"\u003eThe BC547 transistor changes its switching state.\u003c\/li\u003e\n\u003cli data-section-id=\"116t1qt\" data-start=\"13240\" data-end=\"13285\"\u003eThe buzzer is activated or remains silent.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"13287\" data-end=\"13308\"\u003eStudents can explore:\u003c\/p\u003e\n\u003cul data-start=\"13310\" data-end=\"13621\"\u003e\n\u003cli data-section-id=\"py529u\" data-start=\"13310\" data-end=\"13327\"\u003eNPN transistors\u003c\/li\u003e\n\u003cli data-section-id=\"12gl320\" data-start=\"13328\" data-end=\"13350\"\u003eElectronic switching\u003c\/li\u003e\n\u003cli data-section-id=\"vgh6c8\" data-start=\"13351\" data-end=\"13390\"\u003eBase, collector and emitter terminals\u003c\/li\u003e\n\u003cli data-section-id=\"11bcsuz\" data-start=\"13391\" data-end=\"13422\"\u003eCut-off and saturation states\u003c\/li\u003e\n\u003cli data-section-id=\"13unzqm\" data-start=\"13423\" data-end=\"13458\"\u003eSignal-controlled output circuits\u003c\/li\u003e\n\u003cli data-section-id=\"7j5oe5\" data-start=\"13459\" data-end=\"13482\"\u003eSolid-state switching\u003c\/li\u003e\n\u003cli data-section-id=\"1e5hjna\" data-start=\"13483\" data-end=\"13517\"\u003eInput, control and output stages\u003c\/li\u003e\n\u003cli data-section-id=\"1cb5uhx\" data-start=\"13518\" data-end=\"13561\"\u003eHow one electronic stage controls another\u003c\/li\u003e\n\u003cli data-section-id=\"16zzlv8\" data-start=\"13562\" data-end=\"13621\"\u003eHow circuits respond automatically to changing conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"16vl6my\" data-start=\"13628\" data-end=\"13654\"\u003eCompare Dry and Wet Soil\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1u54mg9\" data-start=\"13656\" data-end=\"13712\"\u003eTwo contrasting samples create a clear demonstration.\u003c\/h2\u003e\n\u003cp data-start=\"13714\" data-end=\"13803\"\u003eThe kit includes two empty testing containers that students can prepare for the activity.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s8a9lk\" data-start=\"13805\" data-end=\"13831\"\u003eDry-Soil Demonstration\u003c\/h3\u003e\n\u003cp data-start=\"13833\" data-end=\"13911\"\u003eFill one container with sufficiently dry soil, dry earth or suitable dry sand.\u003c\/p\u003e\n\u003cp data-start=\"13913\" data-end=\"13964\"\u003eInsert the cleaned and dried probe into the sample.\u003c\/p\u003e\n\u003cp data-start=\"13966\" data-end=\"14091\"\u003eThe higher-resistance condition changes the comparator output and activates the model’s transistor-controlled buzzer circuit.\u003c\/p\u003e\n\u003cp data-start=\"14093\" data-end=\"14170\"\u003eThe audible alert represents a dry-soil or watering-required warning concept.\u003c\/p\u003e\n\u003ch3 data-section-id=\"f5aqoh\" data-start=\"14172\" data-end=\"14198\"\u003eWet-Soil Demonstration\u003c\/h3\u003e\n\u003cp data-start=\"14200\" data-end=\"14251\"\u003ePrepare the second container with evenly damp soil.\u003c\/p\u003e\n\u003cp data-start=\"14253\" data-end=\"14346\"\u003eRemove the probe from the dry sample, clean it if required and insert it into the wet sample.\u003c\/p\u003e\n\u003cp data-start=\"14348\" data-end=\"14550\"\u003eThe increased moisture changes the conductive path between the probe tracks. The comparator and transistor circuit respond accordingly, keeping the buzzer silent in the model’s configured demonstration.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iqce5r\" data-start=\"14552\" data-end=\"14572\"\u003eReset and Repeat\u003c\/h3\u003e\n\u003cp data-start=\"14574\" data-end=\"14632\"\u003eRemove the probe, wipe it clean and repeat the comparison.\u003c\/p\u003e\n\u003cp data-start=\"14634\" data-end=\"14761\"\u003eThe two-container format allows students to move between contrasting conditions and observe how the system responds and resets.\u003c\/p\u003e\n\u003ch1 data-section-id=\"kzdfrs\" data-start=\"14768\" data-end=\"14811\"\u003eUnderstand the Complete Functional System\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"14813\" data-end=\"15569\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"14813\" data-end=\"14852\"\u003e\n\u003ctr data-start=\"14813\" data-end=\"14852\"\u003e\n\u003cth data-start=\"14813\" data-end=\"14828\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSystem stage\u003c\/th\u003e\n\u003cth data-start=\"14828\" data-end=\"14840\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eComponent\u003c\/th\u003e\n\u003cth data-start=\"14840\" data-end=\"14852\" data-col-size=\"md\" class=\"last:pe-10\"\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"14867\" data-end=\"15569\"\u003e\n\u003ctr data-start=\"14867\" data-end=\"14962\"\u003e\n\u003ctd data-start=\"14867\" data-end=\"14879\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"14869\" data-end=\"14878\"\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"14879\" data-end=\"14901\"\u003eSoil-moisture probe\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"14901\" data-end=\"14962\"\u003eResponds to the electrical condition of the prepared soil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"14963\" data-end=\"15060\"\u003e\n\u003ctd data-start=\"14963\" data-end=\"14980\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"14965\" data-end=\"14979\"\u003eComparison\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"14980\" data-end=\"15000\"\u003eComparator module\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15000\" data-end=\"15060\"\u003eCompares the probe response with an adjustable threshold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15061\" data-end=\"15146\"\u003e\n\u003ctd data-start=\"15061\" data-end=\"15074\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15063\" data-end=\"15073\"\u003eSignal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"15074\" data-end=\"15091\"\u003eDigital output\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15091\" data-end=\"15146\"\u003eCarries the result to the transistor driver circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15147\" data-end=\"15228\"\u003e\n\u003ctd data-start=\"15147\" data-end=\"15163\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15149\" data-end=\"15162\"\u003eSwitching\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"15163\" data-end=\"15182\"\u003eBC547 transistor\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15182\" data-end=\"15228\"\u003eControls the buzzer circuit electronically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15229\" data-end=\"15298\"\u003e\n\u003ctd data-start=\"15229\" data-end=\"15242\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15231\" data-end=\"15241\"\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"15242\" data-end=\"15258\"\u003eActive buzzer\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15258\" data-end=\"15298\"\u003eProduces an audible dry-soil warning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15299\" data-end=\"15376\"\u003e\n\u003ctd data-start=\"15299\" data-end=\"15311\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15301\" data-end=\"15310\"\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"15311\" data-end=\"15324\" data-col-size=\"sm\"\u003e9V battery\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15324\" data-end=\"15376\"\u003eSupplies electrical energy for the demonstration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15377\" data-end=\"15469\"\u003e\n\u003ctd data-start=\"15377\" data-end=\"15399\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15379\" data-end=\"15398\"\u003eTest conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"15399\" data-end=\"15422\"\u003eTwo empty containers\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15422\" data-end=\"15469\"\u003eHold user-prepared dry and wet soil samples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"15470\" data-end=\"15569\"\u003e\n\u003ctd data-start=\"15470\" data-end=\"15493\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"15472\" data-end=\"15492\"\u003eLearning support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"15493\" data-end=\"15512\"\u003eManual and video\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"15512\" data-end=\"15569\"\u003eGuide setup, testing, explanation and troubleshooting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"15571\" data-end=\"15574\"\u003e\n\u003ch1 data-section-id=\"1qd7y5i\" data-start=\"15576\" data-end=\"15625\"\u003eA Smart-Farming Context Students Can Understand\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1wwt4mq\" data-start=\"15627\" data-end=\"15694\"\u003eConnect soil science with electronics and responsible water use.\u003c\/h2\u003e\n\u003cp data-start=\"15696\" data-end=\"15805\"\u003eThe agricultural layout and testing containers provide a clear application context for the electronic system.\u003c\/p\u003e\n\u003cp data-start=\"15807\" data-end=\"15870\"\u003eEach element represents a stage within a smart-farming concept:\u003c\/p\u003e\n\u003cul data-start=\"15872\" data-end=\"16247\"\u003e\n\u003cli data-section-id=\"cff3xn\" data-start=\"15872\" data-end=\"15940\"\u003eThe \u003cstrong data-start=\"15878\" data-end=\"15903\"\u003eprepared soil samples\u003c\/strong\u003e represent changing field conditions.\u003c\/li\u003e\n\u003cli data-section-id=\"1b44csc\" data-start=\"15941\" data-end=\"15975\"\u003eThe \u003cstrong data-start=\"15947\" data-end=\"15956\"\u003eprobe\u003c\/strong\u003e observes the soil.\u003c\/li\u003e\n\u003cli data-section-id=\"ofxb7h\" data-start=\"15976\" data-end=\"16027\"\u003eThe \u003cstrong data-start=\"15982\" data-end=\"16003\"\u003ecomparator module\u003c\/strong\u003e evaluates the response.\u003c\/li\u003e\n\u003cli data-section-id=\"16x9h3n\" data-start=\"16028\" data-end=\"16085\"\u003eThe \u003cstrong data-start=\"16034\" data-end=\"16054\"\u003eBC547 transistor\u003c\/strong\u003e performs electronic switching.\u003c\/li\u003e\n\u003cli data-section-id=\"pux2o\" data-start=\"16086\" data-end=\"16139\"\u003eThe \u003cstrong data-start=\"16092\" data-end=\"16102\"\u003ebuzzer\u003c\/strong\u003e communicates the dry-soil condition.\u003c\/li\u003e\n\u003cli data-section-id=\"tqqd5u\" data-start=\"16140\" data-end=\"16183\"\u003eThe \u003cstrong data-start=\"16146\" data-end=\"16157\"\u003ebattery\u003c\/strong\u003e powers the demonstration.\u003c\/li\u003e\n\u003cli data-section-id=\"xn02p6\" data-start=\"16184\" data-end=\"16247\"\u003eThe \u003cstrong data-start=\"16190\" data-end=\"16210\"\u003emanual and video\u003c\/strong\u003e guide the complete learning process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"16249\" data-end=\"16284\"\u003eThe project helps students connect:\u003c\/p\u003e\n\u003cul data-start=\"16286\" data-end=\"16496\"\u003e\n\u003cli data-section-id=\"pb2soy\" data-start=\"16286\" data-end=\"16302\"\u003eSoil condition\u003c\/li\u003e\n\u003cli data-section-id=\"1vac02e\" data-start=\"16303\" data-end=\"16329\"\u003ePlant water requirements\u003c\/li\u003e\n\u003cli data-section-id=\"1u8gvzi\" data-start=\"16330\" data-end=\"16355\"\u003eSensor-based monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"160z1pi\" data-start=\"16356\" data-end=\"16378\"\u003eThreshold comparison\u003c\/li\u003e\n\u003cli data-section-id=\"12gl320\" data-start=\"16379\" data-end=\"16401\"\u003eElectronic switching\u003c\/li\u003e\n\u003cli data-section-id=\"iffeh3\" data-start=\"16402\" data-end=\"16418\"\u003eAudible alerts\u003c\/li\u003e\n\u003cli data-section-id=\"nxvz11\" data-start=\"16419\" data-end=\"16446\"\u003eSmart-irrigation concepts\u003c\/li\u003e\n\u003cli data-section-id=\"1t57twa\" data-start=\"16447\" data-end=\"16470\"\u003eResponsible water use\u003c\/li\u003e\n\u003cli data-section-id=\"69st0u\" data-start=\"16471\" data-end=\"16496\"\u003eAgricultural automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"16498\" data-end=\"16643\"\u003eThe model is an educational representation of these concepts. It is not a calibrated agricultural instrument or commercial irrigation controller.\u003c\/p\u003e\n\u003ch1 data-section-id=\"z0ux1z\" data-start=\"16650\" data-end=\"16676\"\u003eTest. Observe. Discover.\u003c\/h1\u003e\n\u003ch2 data-section-id=\"j670rs\" data-start=\"16678\" data-end=\"16708\"\u003eDry and Wet Comparison Test\u003c\/h2\u003e\n\u003cp data-start=\"16710\" data-end=\"16752\"\u003ePrepare one dry sample and one wet sample.\u003c\/p\u003e\n\u003cp data-start=\"16754\" data-end=\"16812\"\u003ePlace the probe in each condition and record the response.\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"16814\" data-end=\"17004\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"16814\" data-end=\"16882\"\u003e\n\u003ctr data-start=\"16814\" data-end=\"16882\"\u003e\n\u003cth data-start=\"16814\" data-end=\"16821\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eTest\u003c\/th\u003e\n\u003cth data-start=\"16821\" data-end=\"16842\" data-col-size=\"sm\" class=\"last:pe-10\"\u003ePrepared condition\u003c\/th\u003e\n\u003cth data-start=\"16842\" data-end=\"16863\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eIndicator response\u003c\/th\u003e\n\u003cth data-start=\"16863\" data-end=\"16882\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eBuzzer response\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"16901\" data-end=\"17004\"\u003e\n\u003ctr data-start=\"16901\" data-end=\"16923\"\u003e\n\u003ctd data-start=\"16901\" data-end=\"16905\" data-col-size=\"sm\"\u003e1\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16905\" data-end=\"16916\"\u003eWet soil\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16916\" data-end=\"16919\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16919\" data-end=\"16923\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"16924\" data-end=\"16946\"\u003e\n\u003ctd data-start=\"16924\" data-end=\"16928\" data-col-size=\"sm\"\u003e2\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16928\" data-end=\"16939\"\u003eDry soil\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16939\" data-end=\"16942\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16942\" data-end=\"16946\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"16947\" data-end=\"16975\"\u003e\n\u003ctd data-start=\"16947\" data-end=\"16951\" data-col-size=\"sm\"\u003e3\u003c\/td\u003e\n\u003ctd data-start=\"16951\" data-end=\"16968\" data-col-size=\"sm\"\u003eWet soil again\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16968\" data-end=\"16971\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16971\" data-end=\"16975\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"16976\" data-end=\"17004\"\u003e\n\u003ctd data-start=\"16976\" data-end=\"16980\" data-col-size=\"sm\"\u003e4\u003c\/td\u003e\n\u003ctd data-start=\"16980\" data-end=\"16997\" data-col-size=\"sm\"\u003eDry soil again\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"16997\" data-end=\"17000\"\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"17000\" data-end=\"17004\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"ehikfq\" data-start=\"17006\" data-end=\"17029\"\u003eMoisture-Change Test\u003c\/h2\u003e\n\u003cp data-start=\"17031\" data-end=\"17110\"\u003eBegin with a relatively dry sample and add small, measured quantities of water.\u003c\/p\u003e\n\u003cp data-start=\"17112\" data-end=\"17132\"\u003eAfter each addition:\u003c\/p\u003e\n\u003col data-start=\"17134\" data-end=\"17313\"\u003e\n\u003cli data-section-id=\"7jt2it\" data-start=\"17134\" data-end=\"17157\"\u003eMix the soil evenly.\u003c\/li\u003e\n\u003cli data-section-id=\"1kve6yr\" data-start=\"17158\" data-end=\"17210\"\u003eInsert the probe to approximately the same depth.\u003c\/li\u003e\n\u003cli data-section-id=\"nqr7f2\" data-start=\"17211\" data-end=\"17243\"\u003eObserve the module indicator.\u003c\/li\u003e\n\u003cli data-section-id=\"17n4vu\" data-start=\"17244\" data-end=\"17269\"\u003eListen for the buzzer.\u003c\/li\u003e\n\u003cli data-section-id=\"139h7fp\" data-start=\"17270\" data-end=\"17313\"\u003eRecord whether the system changed state.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-section-id=\"1sam77x\" data-start=\"17315\" data-end=\"17341\"\u003eProbe-Depth Observation\u003c\/h2\u003e\n\u003cp data-start=\"17343\" data-end=\"17410\"\u003eInsert the probe to different controlled depths in the same sample.\u003c\/p\u003e\n\u003cp data-start=\"17412\" data-end=\"17468\"\u003eObserve whether probe placement influences the response.\u003c\/p\u003e\n\u003ch2 data-section-id=\"qys3um\" data-start=\"17470\" data-end=\"17491\"\u003eSoil-Position Test\u003c\/h2\u003e\n\u003cp data-start=\"17493\" data-end=\"17544\"\u003eTest different positions within the same container.\u003c\/p\u003e\n\u003cp data-start=\"17546\" data-end=\"17624\"\u003eThis can help students understand that moisture may not be distributed evenly.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1sczom\" data-start=\"17626\" data-end=\"17647\"\u003eRepeatability Test\u003c\/h2\u003e\n\u003cp data-start=\"17649\" data-end=\"17711\"\u003eReturn the probe to the same prepared condition several times.\u003c\/p\u003e\n\u003cp data-start=\"17713\" data-end=\"17769\"\u003eRecord whether the model produces a consistent response.\u003c\/p\u003e\n\u003ch2 data-section-id=\"25ttwz\" data-start=\"17771\" data-end=\"17795\"\u003eThreshold Exploration\u003c\/h2\u003e\n\u003cp data-start=\"17797\" data-end=\"17889\"\u003eUnder adult or teacher supervision, make a small adjustment to the comparator potentiometer.\u003c\/p\u003e\n\u003cp data-start=\"17891\" data-end=\"17951\"\u003eRepeat the tests and observe how the response point changes.\u003c\/p\u003e\n\u003cp data-start=\"17953\" data-end=\"18049\"\u003eOnly small adjustments should be made, and the original position should be noted before testing.\u003c\/p\u003e\n\u003ch1 data-section-id=\"grc2aq\" data-start=\"18056\" data-end=\"18082\"\u003eLearn Through Every Test\u003c\/h1\u003e\n\u003ch3 data-section-id=\"y9l8or\" data-start=\"18084\" data-end=\"18095\"\u003ePredict\u003c\/h3\u003e\n\u003cp data-start=\"18097\" data-end=\"18142\"\u003eWill the buzzer sound in the selected sample?\u003c\/p\u003e\n\u003ch3 data-section-id=\"74yqa7\" data-start=\"18144\" data-end=\"18153\"\u003eWatch\u003c\/h3\u003e\n\u003cp data-start=\"18155\" data-end=\"18203\"\u003eReview the video demonstration before beginning.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ynqv2o\" data-start=\"18205\" data-end=\"18213\"\u003eTest\u003c\/h3\u003e\n\u003cp data-start=\"18215\" data-end=\"18260\"\u003eInsert the probe into the prepared condition.\u003c\/p\u003e\n\u003ch3 data-section-id=\"sizzw\" data-start=\"18262\" data-end=\"18273\"\u003eObserve\u003c\/h3\u003e\n\u003cp data-start=\"18275\" data-end=\"18327\"\u003eWatch the module indicator and listen to the buzzer.\u003c\/p\u003e\n\u003ch3 data-section-id=\"pjpz2j\" data-start=\"18329\" data-end=\"18339\"\u003eRecord\u003c\/h3\u003e\n\u003cp data-start=\"18341\" data-end=\"18417\"\u003eDocument the sample condition, probe position, threshold setting and result.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ob2s0x\" data-start=\"18419\" data-end=\"18430\"\u003eCompare\u003c\/h3\u003e\n\u003cp data-start=\"18432\" data-end=\"18465\"\u003eMove between dry and wet samples.\u003c\/p\u003e\n\u003ch3 data-section-id=\"14mypyj\" data-start=\"18467\" data-end=\"18478\"\u003eAnalyse\u003c\/h3\u003e\n\u003cp data-start=\"18480\" data-end=\"18533\"\u003eIdentify why the output changed or remained the same.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1bn6r32\" data-start=\"18535\" data-end=\"18551\"\u003eTroubleshoot\u003c\/h3\u003e\n\u003cp data-start=\"18553\" data-end=\"18650\"\u003eCheck the battery, soil preparation, probe cleanliness, wire connections and sensitivity setting.\u003c\/p\u003e\n\u003ch3 data-section-id=\"16njeap\" data-start=\"18652\" data-end=\"18663\"\u003eExplain\u003c\/h3\u003e\n\u003cp data-start=\"18665\" data-end=\"18748\"\u003eDescribe how the probe, comparator, transistor and buzzer form one complete system.\u003c\/p\u003e\n\u003ch3 data-section-id=\"gd19q8\" data-start=\"18750\" data-end=\"18760\"\u003eExtend\u003c\/h3\u003e\n\u003cp data-start=\"18762\" data-end=\"18855\"\u003eDevelop additional questions about irrigation, sensor technology and agricultural automation.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1hhrn0b\" data-start=\"18862\" data-end=\"18884\"\u003eExplore Key Concepts\u003c\/h1\u003e\n\u003ch2 data-section-id=\"1q47602\" data-start=\"18886\" data-end=\"18903\"\u003eSoil and Water\u003c\/h2\u003e\n\u003cul data-start=\"18905\" data-end=\"19036\"\u003e\n\u003cli data-section-id=\"cfgf1b\" data-start=\"18905\" data-end=\"18920\"\u003eSoil moisture\u003c\/li\u003e\n\u003cli data-section-id=\"1y43shf\" data-start=\"18921\" data-end=\"18939\"\u003eDry and wet soil\u003c\/li\u003e\n\u003cli data-section-id=\"1hq99j\" data-start=\"18940\" data-end=\"18960\"\u003eWater distribution\u003c\/li\u003e\n\u003cli data-section-id=\"uyw83y\" data-start=\"18961\" data-end=\"18980\"\u003eSoil conductivity\u003c\/li\u003e\n\u003cli data-section-id=\"k6pdxl\" data-start=\"18981\" data-end=\"19012\"\u003eMoisture-dependent resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1t57twa\" data-start=\"19013\" data-end=\"19036\"\u003eResponsible water use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1ec13w5\" data-start=\"19038\" data-end=\"19058\"\u003eSensor Technology\u003c\/h2\u003e\n\u003cul data-start=\"19060\" data-end=\"19192\"\u003e\n\u003cli data-section-id=\"13tgcyz\" data-start=\"19060\" data-end=\"19082\"\u003eSoil-moisture probes\u003c\/li\u003e\n\u003cli data-section-id=\"2rubkr\" data-start=\"19083\" data-end=\"19098\"\u003eSensor inputs\u003c\/li\u003e\n\u003cli data-section-id=\"102bvg0\" data-start=\"19099\" data-end=\"19120\"\u003eThreshold detection\u003c\/li\u003e\n\u003cli data-section-id=\"yv2u8b\" data-start=\"19121\" data-end=\"19141\"\u003eComparator modules\u003c\/li\u003e\n\u003cli data-section-id=\"p42fua\" data-start=\"19142\" data-end=\"19166\"\u003eAdjustable sensitivity\u003c\/li\u003e\n\u003cli data-section-id=\"1p4i5vy\" data-start=\"19167\" data-end=\"19192\"\u003eDigital output response\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1jf5fit\" data-start=\"19194\" data-end=\"19217\"\u003eElectronic Switching\u003c\/h2\u003e\n\u003cul data-start=\"19219\" data-end=\"19365\"\u003e\n\u003cli data-section-id=\"1ykeubq\" data-start=\"19219\" data-end=\"19241\"\u003eBC547 NPN transistor\u003c\/li\u003e\n\u003cli data-section-id=\"1pra1qn\" data-start=\"19242\" data-end=\"19271\"\u003eBase, collector and emitter\u003c\/li\u003e\n\u003cli data-section-id=\"kmpven\" data-start=\"19272\" data-end=\"19296\"\u003eCut-off and saturation\u003c\/li\u003e\n\u003cli data-section-id=\"7j5oe5\" data-start=\"19297\" data-end=\"19320\"\u003eSolid-state switching\u003c\/li\u003e\n\u003cli data-section-id=\"1e16dpr\" data-start=\"19321\" data-end=\"19337\"\u003eBuzzer control\u003c\/li\u003e\n\u003cli data-section-id=\"1g0srvu\" data-start=\"19338\" data-end=\"19365\"\u003eInput and output circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1umaqkk\" data-start=\"19367\" data-end=\"19383\"\u003eSmart Farming\u003c\/h2\u003e\n\u003cul data-start=\"19385\" data-end=\"19545\"\u003e\n\u003cli data-section-id=\"zhtp37\" data-start=\"19385\" data-end=\"19412\"\u003eSoil-condition monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"ke8one\" data-start=\"19413\" data-end=\"19440\"\u003eDry-soil warning concepts\u003c\/li\u003e\n\u003cli data-section-id=\"zn4b9p\" data-start=\"19441\" data-end=\"19470\"\u003eIrrigation decision support\u003c\/li\u003e\n\u003cli data-section-id=\"69st0u\" data-start=\"19471\" data-end=\"19496\"\u003eAgricultural automation\u003c\/li\u003e\n\u003cli data-section-id=\"kobsnu\" data-start=\"19497\" data-end=\"19522\"\u003eResource-aware watering\u003c\/li\u003e\n\u003cli data-section-id=\"nhx3cq\" data-start=\"19523\" data-end=\"19545\"\u003eSensor-based farming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"bhz16e\" data-start=\"19547\" data-end=\"19573\"\u003ePractical Investigation\u003c\/h2\u003e\n\u003cul data-start=\"19575\" data-end=\"19692\"\u003e\n\u003cli data-section-id=\"lvdpv8\" data-start=\"19575\" data-end=\"19595\"\u003eControlled testing\u003c\/li\u003e\n\u003cli data-section-id=\"1at15ml\" data-start=\"19596\" data-end=\"19611\"\u003eRepeatability\u003c\/li\u003e\n\u003cli data-section-id=\"a5q2ep\" data-start=\"19612\" data-end=\"19624\"\u003eComparison\u003c\/li\u003e\n\u003cli data-section-id=\"emq8pz\" data-start=\"19625\" data-end=\"19645\"\u003eObservation tables\u003c\/li\u003e\n\u003cli data-section-id=\"z1z1u8\" data-start=\"19646\" data-end=\"19663\"\u003eTroubleshooting\u003c\/li\u003e\n\u003cli data-section-id=\"sggcpd\" data-start=\"19664\" data-end=\"19692\"\u003eCause-and-effect reasoning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"1hdonrc\" data-start=\"19699\" data-end=\"19734\"\u003eBuilt for Confident Demonstration\u003c\/h1\u003e\n\u003cp data-start=\"19736\" data-end=\"19847\"\u003eThe clear wet-versus-dry comparison, audible response and guided learning material make the model suitable for:\u003c\/p\u003e\n\u003cul data-start=\"19849\" data-end=\"20273\"\u003e\n\u003cli data-section-id=\"cas5ce\" data-start=\"19849\" data-end=\"19874\"\u003eSchool science projects\u003c\/li\u003e\n\u003cli data-section-id=\"kiq2zo\" data-start=\"19875\" data-end=\"19896\"\u003eScience exhibitions\u003c\/li\u003e\n\u003cli data-section-id=\"1e0u4lr\" data-start=\"19897\" data-end=\"19923\"\u003eClassroom demonstrations\u003c\/li\u003e\n\u003cli data-section-id=\"kkwfgh\" data-start=\"19924\" data-end=\"19953\"\u003eSmart-farming presentations\u003c\/li\u003e\n\u003cli data-section-id=\"u46i5f\" data-start=\"19954\" data-end=\"19979\"\u003eSoil-science activities\u003c\/li\u003e\n\u003cli data-section-id=\"14gkifv\" data-start=\"19980\" data-end=\"20009\"\u003eWater-conservation projects\u003c\/li\u003e\n\u003cli data-section-id=\"jrudvs\" data-start=\"20010\" data-end=\"20033\"\u003eSensor demonstrations\u003c\/li\u003e\n\u003cli data-section-id=\"19vnjrc\" data-start=\"20034\" data-end=\"20071\"\u003eTransistor-switching demonstrations\u003c\/li\u003e\n\u003cli data-section-id=\"1r8cg9r\" data-start=\"20072\" data-end=\"20108\"\u003eElectrical-conductivity activities\u003c\/li\u003e\n\u003cli data-section-id=\"2o0ax5\" data-start=\"20109\" data-end=\"20146\"\u003eAgricultural-technology discussions\u003c\/li\u003e\n\u003cli data-section-id=\"1v9xwk3\" data-start=\"20147\" data-end=\"20162\"\u003eSTEM learning\u003c\/li\u003e\n\u003cli data-section-id=\"1nl6elw\" data-start=\"20163\" data-end=\"20186\"\u003eExperiential learning\u003c\/li\u003e\n\u003cli data-section-id=\"1o2e6vp\" data-start=\"20187\" data-end=\"20211\"\u003eProject-based learning\u003c\/li\u003e\n\u003cli data-section-id=\"4tplyf\" data-start=\"20212\" data-end=\"20240\"\u003eProject-report preparation\u003c\/li\u003e\n\u003cli data-section-id=\"15rfreh\" data-start=\"20241\" data-end=\"20259\"\u003eViva preparation\u003c\/li\u003e\n\u003cli data-section-id=\"11hgo15\" data-start=\"20260\" data-end=\"20273\"\u003eGrades 7–12\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-section-id=\"14d3cd5\" data-start=\"20280\" data-end=\"20311\"\u003eSuggested Student Explanation\u003c\/h1\u003e\n\u003cblockquote data-start=\"20313\" data-end=\"20904\"\u003e\n\u003cp data-start=\"20315\" data-end=\"20904\"\u003e“This is a smart soil-moisture detection working model. The probe checks the electrical condition of the prepared soil sample and sends its response to the comparator module. The comparator compares this response with an adjustable threshold. Its digital output controls a BC547 transistor, which acts as an electronic switch for the buzzer. In this model, dry soil activates the warning buzzer, while sufficiently wet soil keeps the alarm off. The project demonstrates soil-moisture sensing, electrical conductivity, threshold comparison, transistor switching and smart-farming concepts.”\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch1 data-section-id=\"kts086\" data-start=\"20911\" data-end=\"20938\"\u003eBuild Upon the Foundation\u003c\/h1\u003e\n\u003cp data-start=\"20940\" data-end=\"21046\"\u003eOnce students understand the original sensing and alert sequence, the model can inspire further questions:\u003c\/p\u003e\n\u003cul data-start=\"21048\" data-end=\"21564\"\u003e\n\u003cli data-section-id=\"wodnv7\" data-start=\"21048\" data-end=\"21097\"\u003eCould an LED provide a visual dry-soil warning?\u003c\/li\u003e\n\u003cli data-section-id=\"mff2vz\" data-start=\"21098\" data-end=\"21135\"\u003eCould another output be controlled?\u003c\/li\u003e\n\u003cli data-section-id=\"1ope7fj\" data-start=\"21136\" data-end=\"21181\"\u003eCould a relay respond to the sensor signal?\u003c\/li\u003e\n\u003cli data-section-id=\"16l2ly7\" data-start=\"21182\" data-end=\"21223\"\u003eCould a model water pump be introduced?\u003c\/li\u003e\n\u003cli data-section-id=\"eda1iv\" data-start=\"21224\" data-end=\"21270\"\u003eCould a second probe compare another sample?\u003c\/li\u003e\n\u003cli data-section-id=\"1etvha9\" data-start=\"21271\" data-end=\"21310\"\u003eCould different soil types be tested?\u003c\/li\u003e\n\u003cli data-section-id=\"1aomf9j\" data-start=\"21311\" data-end=\"21353\"\u003eCould moisture be displayed numerically?\u003c\/li\u003e\n\u003cli data-section-id=\"1ufcg9j\" data-start=\"21354\" data-end=\"21393\"\u003eCould readings be recorded over time?\u003c\/li\u003e\n\u003cli data-section-id=\"1wtmo30\" data-start=\"21394\" data-end=\"21447\"\u003eCould a microcontroller introduce irrigation logic?\u003c\/li\u003e\n\u003cli data-section-id=\"6cx5nk\" data-start=\"21448\" data-end=\"21507\"\u003eCould underwatering and overwatering both be represented?\u003c\/li\u003e\n\u003cli data-section-id=\"1un6kfm\" data-start=\"21508\" data-end=\"21564\"\u003eCould the concept be expanded into a greenhouse model?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"21566\" data-end=\"21680\"\u003eThese are further learning directions. Additional components, modifications and suitable guidance may be required.\u003c\/p\u003e\n\u003ch1 data-section-id=\"1sdrx7j\" data-start=\"21687\" data-end=\"21729\"\u003eThis Concept Can Also Be Used to Explore\u003c\/h1\u003e\n\u003cul data-start=\"21731\" data-end=\"22226\"\u003e\n\u003cli data-section-id=\"nxvz11\" data-start=\"21731\" data-end=\"21758\"\u003eSmart-irrigation concepts\u003c\/li\u003e\n\u003cli data-section-id=\"wi8hks\" data-start=\"21759\" data-end=\"21793\"\u003eAutomatic plant-watering systems\u003c\/li\u003e\n\u003cli data-section-id=\"c3t4sv\" data-start=\"21794\" data-end=\"21820\"\u003eDry-soil warning systems\u003c\/li\u003e\n\u003cli data-section-id=\"v8l1rn\" data-start=\"21821\" data-end=\"21855\"\u003eAgricultural moisture monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"wjpddn\" data-start=\"21856\" data-end=\"21879\"\u003eGreenhouse monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"4t2a9l\" data-start=\"21880\" data-end=\"21908\"\u003eGarden-watering indicators\u003c\/li\u003e\n\u003cli data-section-id=\"gb8pr3\" data-start=\"21909\" data-end=\"21939\"\u003ePlant overwatering awareness\u003c\/li\u003e\n\u003cli data-section-id=\"3ytcp5\" data-start=\"21940\" data-end=\"21971\"\u003eSoil-conductivity comparisons\u003c\/li\u003e\n\u003cli data-section-id=\"1erat82\" data-start=\"21972\" data-end=\"22005\"\u003eThreshold-based control systems\u003c\/li\u003e\n\u003cli data-section-id=\"1c3y0\" data-start=\"22006\" data-end=\"22037\"\u003eTransistor-switching projects\u003c\/li\u003e\n\u003cli data-section-id=\"ge7di7\" data-start=\"22038\" data-end=\"22068\"\u003eWater-level warning concepts\u003c\/li\u003e\n\u003cli data-section-id=\"civedg\" data-start=\"22069\" data-end=\"22102\"\u003eLiquid-conductivity experiments\u003c\/li\u003e\n\u003cli data-section-id=\"4wimmq\" data-start=\"22103\" data-end=\"22136\"\u003eSensor-controlled pump concepts\u003c\/li\u003e\n\u003cli data-section-id=\"1bt4gvl\" data-start=\"22137\" data-end=\"22169\"\u003ePrecision-agriculture concepts\u003c\/li\u003e\n\u003cli data-section-id=\"1k5z7ks\" data-start=\"22170\" data-end=\"22200\"\u003eInput-process-output systems\u003c\/li\u003e\n\u003cli data-section-id=\"69st0u\" data-start=\"22201\" data-end=\"22226\"\u003eAgricultural automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"22228\" data-end=\"22366\"\u003eThese are educational concept extensions based on the working principle. They are not additional built-in functions of the supplied model.\u003c\/p\u003e\n\u003cp data-start=\"23522\" data-end=\"23676\"\u003e \u003c\/p\u003e\n\u003ch1 data-section-id=\"158v5je\" data-start=\"24622\" data-end=\"24651\"\u003eA Complete Learning Journey\u003c\/h1\u003e\n\u003ch2 data-section-id=\"4j6q80\" data-start=\"24653\" data-end=\"24672\"\u003eScan the code.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1ns05dq\" data-start=\"24673\" data-end=\"24702\"\u003eWatch the demonstration.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1sl89mi\" data-start=\"24703\" data-end=\"24724\"\u003eRead the manual.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"8prnty\" data-start=\"24725\" data-end=\"24750\"\u003ePrepare the samples.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1fybfnx\" data-start=\"24751\" data-end=\"24771\"\u003eCheck the soil.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"vkjubq\" data-start=\"24772\" data-end=\"24799\"\u003eCompare the condition.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"peke1p\" data-start=\"24800\" data-end=\"24823\"\u003eFollow the signal.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1nwmmw6\" data-start=\"24824\" data-end=\"24846\"\u003eHear the warning.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"cxp7xy\" data-start=\"24847\" data-end=\"24870\"\u003eRecord the result.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1ixk6pc\" data-start=\"24871\" data-end=\"24895\"\u003eExplain the system.\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1e6rqbt\" data-start=\"24896\" data-end=\"24919\"\u003eBuild upon the idea.\u003c\/h2\u003e\n\u003cp data-start=\"24921\" data-end=\"25141\"\u003eThe \u003cstrong data-start=\"24925\" data-end=\"24975\"\u003eGo Science Smart Soil Moisture Detection Model\u003c\/strong\u003e transforms soil condition, conductivity and electronic switching into a guided working experience students can observe, test, understand and confidently demonstrate.\u003c\/p\u003e\n\u003ch1 data-section-id=\"4evk91\" data-start=\"25148\" data-end=\"25193\"\u003eImportant Educational and Usage Information\u003c\/h1\u003e\n\u003cp data-start=\"25195\" data-end=\"25271\"\u003eThis product is an educational demonstration model and science teaching aid.\u003c\/p\u003e\n\u003cul data-start=\"25273\" data-end=\"26296\"\u003e\n\u003cli data-section-id=\"10qu1jp\" data-start=\"25273\" data-end=\"25319\"\u003eAdult or teacher supervision is recommended.\u003c\/li\u003e\n\u003cli data-section-id=\"1hik5aa\" data-start=\"25320\" data-end=\"25356\"\u003eSoil and battery are not included.\u003c\/li\u003e\n\u003cli data-section-id=\"8qmybi\" data-start=\"25357\" data-end=\"25416\"\u003ePrepare soil samples separately before the demonstration.\u003c\/li\u003e\n\u003cli data-section-id=\"12wxji1\" data-start=\"25417\" data-end=\"25481\"\u003eUse only small soil quantities inside the supplied containers.\u003c\/li\u003e\n\u003cli data-section-id=\"1wqddiv\" data-start=\"25482\" data-end=\"25578\"\u003eKeep excess water away from the comparator module, driver board, buzzer and battery terminals.\u003c\/li\u003e\n\u003cli data-section-id=\"1v31brs\" data-start=\"25579\" data-end=\"25638\"\u003eDo not pour water directly over any electronic component.\u003c\/li\u003e\n\u003cli data-section-id=\"1bd50oy\" data-start=\"25639\" data-end=\"25676\"\u003eInsert and remove the probe gently.\u003c\/li\u003e\n\u003cli data-section-id=\"1csd6nz\" data-start=\"25677\" data-end=\"25731\"\u003eWipe the probe clean and dry after wet-soil testing.\u003c\/li\u003e\n\u003cli data-section-id=\"1qrxyv4\" data-start=\"25732\" data-end=\"25780\"\u003eDo not bend, scrape or force the probe tracks.\u003c\/li\u003e\n\u003cli data-section-id=\"1d8ephb\" data-start=\"25781\" data-end=\"25821\"\u003eKeep every buzzer demonstration brief.\u003c\/li\u003e\n\u003cli data-section-id=\"6igmin\" data-start=\"25822\" data-end=\"25883\"\u003eConnect the battery using the correct terminal orientation.\u003c\/li\u003e\n\u003cli data-section-id=\"rpavuh\" data-start=\"25884\" data-end=\"25938\"\u003eDisconnect the battery immediately after every test.\u003c\/li\u003e\n\u003cli data-section-id=\"bupwvs\" data-start=\"25939\" data-end=\"25991\"\u003eDo not store the model with the battery connected.\u003c\/li\u003e\n\u003cli data-section-id=\"jemqog\" data-start=\"25992\" data-end=\"26040\"\u003eEmpty and clean the containers before packing.\u003c\/li\u003e\n\u003cli data-section-id=\"ihqw1l\" data-start=\"26041\" data-end=\"26083\"\u003eStore the model in a cool and dry place.\u003c\/li\u003e\n\u003cli data-section-id=\"2gvr7g\" data-start=\"26084\" data-end=\"26227\"\u003eProduct appearance, wire routing, component placement and assembly details may vary slightly due to manufacturing and component availability.\u003c\/li\u003e\n\u003cli data-section-id=\"1c5xcd5\" data-start=\"26228\" data-end=\"26296\"\u003eInternet access is required to open online manual and video links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"26298\" data-end=\"26466\"\u003eThis model is not intended for use as a calibrated agricultural instrument, automatic irrigation controller, commercial smart-farming system or water-management device.\u003c\/p\u003e\n\u003cp data-start=\"26298\" data-end=\"26466\"\u003e\u003cstrong data-start=\"28912\" data-end=\"28949\"\u003eReturn, Refund \u0026amp; Exchange Notice:\u003c\/strong\u003e This educational working model contains tested and sensitive electronic components. Kits that have been opened, powered, activated, tested, used, altered or exposed to soil, moisture or water are not eligible for return, refund or exchanged. Battery and soil are not included. Please review the product description, included contents, dimensions, power requirement, demonstration video and usage instructions carefully before purchase.\u003c\/p\u003e","brand":"Go Science","offers":[{"title":"Default Title","offer_id":45647654453295,"sku":"2671814292804","price":649.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4442\/3471\/files\/Go_Science_Classroom_Series_Smart_Soil_Moisture_Detection_kit_for_School_Project_Demonstration_box_image_front.jpg?v=1784636852"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4442\/3471\/collections\/Go_Science_Classroom_Series_Smart_Soil_Moisture_Detection_kit_for_School_Project_Demonstration_kit_model_cover_image_3b6952f6-2cb6-4d35-89ac-14ea795db37f.png?v=1787314964","url":"https:\/\/goscience.in\/collections\/soil-moisture-school-project-chennai.oembed","provider":"Go Science","version":"1.0","type":"link"}