{"product_id":"micro-bit-bin-fill-detector-kit","title":"Micro:bit Bin Fill Detector Kit","description":"\u003ch1\u003eBuild a Litter Bin Fill Detector with Micro:bit — Know Exactly When It’s Full\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Beginner\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 2-3 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 8-10\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Ultrasonic sensing \u0026amp; micro:bit programming\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eHow often do you open the dustbin just to check if it’s time to empty it? This kit turns that everyday curiosity into a real working gadget. You’ll mount an HC-SR04 ultrasonic sensor above or inside a bin, wire it to a BBC micro:bit v2, and write a simple MakeCode program that shows the fill level on the LED grid. When trash reaches the top, the micro:bit flashes a warning and scrolls “Bin Full!” — a satisfying, practical build that solves a small home problem.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou’ll create a compact detector that sits on a half breadboard near any bin. The ultrasonic sensor pings sound waves downward; the micro:bit measures the echo time and converts it to a distance. That distance is displayed as a bar-graph — more LEDs light up as the bin fills. When the bin is nearly full, the display clears and a scrolling message appears, so even young siblings or grandparents know it’s time to take out the trash.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHow ultrasonic distance sensors work — sending and receiving sound pulses\u003c\/li\u003e\n  \u003cli\u003eReading sensor data using makecode blocks and variables\u003c\/li\u003e\n  \u003cli\u003eMapping real-world distances to an LED display\u003c\/li\u003e\n  \u003cli\u003eSetting up conditional alerts (if bin height \u0026lt; 10 cm, sound alarm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBBC Micro:bit v2\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHC-SR04 Ultrasonic\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHalf Breadboard\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCrocodile Clips\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroUSB Cable\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAA Battery Holder\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAA Batteries\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM-M Wires\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis kit is designed for curious young makers aged 8–10 who enjoy seeing their code come to life. It’s a favorite in ATL Tinkering Labs, CBSE school maker spaces, and home-schooling setups because it blends environmental awareness with sensor basics. Parents looking for a screen-time activity that builds logic and creativity will find the clear instructions and crocodile-clip assembly ideal for first-time builders.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code to chat with the AI companion — it knows this kit’s wiring and code inside out. You can also message us on WhatsApp for a quick human reply within 4 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need to solder anything?\u003c\/summary\u003e\u003cp\u003eNo soldering at all. All connections use the breadboard, crocodile clips, and male-to-male jumper wires, so tiny hands can build safely.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use the detector after unplugging from the computer?\u003c\/summary\u003e\u003cp\u003eYes — upload the program once via USB, then switch to the AA battery holder. The micro:bit runs independently, so you can place it on any bin without a laptop nearby.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat if my bin doesn’t give a stable reading?\u003c\/summary\u003e\u003cp\u003eThe AI companion will help you adjust the threshold value in MakeCode. You can also reposition the sensor slightly or add a cardboard shield to avoid side echoes — a fun mini-experiment on its own.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eUltrasonic sensor measures how full a bin is — micro:bit displays fill level and alerts when it needs emptying.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bbc-microbit-v2-compact-arm-board-with-led-matrix-mic-sensors\"\u003eBBC Micro:bit v2\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/hc-sr04-ultrasonic-sensor-module-5v-distance-2cm-400cm\"\u003eHC-SR04 Ultrasonic\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/breadboard-standard-bundle-830400-tie-points-for-prototyping\"\u003eHalf Breadboard\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/crocodile-clips-10-pack-50mm-pvc-sleeve-5a-rating\"\u003eCrocodile Clips\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microusb-cable-1m-charging-data-cord-for-arduino-android\"\u003eMicroUSB Cable\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/max1452aaet-sensor-signal-conditioner-ic-ssop-16-smd-0194\"\u003eAA Battery Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/max1452aaet-sensor-signal-conditioner-ic-ssop-16-smd-0194\"\u003eAA Batteries\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003eM-M Wires x10\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic includes all components needed: BBC Micro:bit v2, HC-SR04 Ultrasonic, Half Breadboard, Crocodile Clips, MicroUSB Cable and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Beginner level makers, suitable for ages 8-10. Ultrasonic sensor measures how full a bin is — micro:bit displays fill level and alerts when it needs emptying. Estimated build time is 2-3 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Micro:bit Litter Bin Fill Detector Kit with BBC Micro:bit + Ultrasonic\",\n  \"description\": \"Ultrasonic sensor measures how full a bin is — micro:bit displays fill level and alerts when it needs emptying.\",\n  \"sku\": \"CDN-KIT-2670\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-microbit-litter-bin-fill-detector\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"3200\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Kids Starter STEM\"\n}\n\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53469376971117,"sku":"CDN-KIT-2670","price":3710.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-microbit-litter-bin-fill-detector.png?v=1781948561","url":"https:\/\/compoden.com\/products\/micro-bit-bin-fill-detector-kit","provider":"Compoden","version":"1.0","type":"link"}