{"product_id":"kit-automatic-clothes-dryer-humidity-monitor","title":"Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay","description":"\u003ch1\u003eAutomatic Clothes Dryer Controller Kit with Arduino Uno \u0026amp; Relay\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 1-2 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 5-15\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Home automation with sensors\u003c\/span\u003e\n\u003c\/div\u003e\n \n\u003cp\u003eStop guessing when laundry is dry. Build a smart controller that monitors humidity inside a dryer drum and automatically pauses the tumbler the moment clothes are ready. This beginner‑friendly kit combines an Arduino Uno with a DHT11 sensor and a relay module, letting you create a working prototype of a real home automation appliance. From CBSE school projects to tinkering at home, you’ll wire, code, and demonstrate a circuit that reacts to changing moisture levels.\u003c\/p\u003e\n \n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA breadboard‑based humidity monitor that reads the air inside a simulated dryer chamber, triggers a relay when humidity drops below 30%, and stops the dryer motor (or a connected fan\/light for safety). The circuit includes flyback diodes to protect against voltage spikes, giving you a solid foundation in safe relay control. Once assembled, you can watch the system respond in real time as a damp cloth dries nearby, proving the concept for any future home automation idea.\u003c\/p\u003e\n \n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eInterface a DHT11 humidity sensor with Arduino Uno over a single digital pin\u003c\/li\u003e\n  \u003cli\u003eWrite conditional logic that turns a relay on or off based on real‑time sensor data\u003c\/li\u003e\n  \u003cli\u003eUse a 1N4007 flyback diode to protect the relay coil from voltage surges\u003c\/li\u003e\n  \u003cli\u003ePlan a practical IoT‑inspired home automation project for school or college submissions\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\u003eArduino Uno R3\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT11\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5V Relay Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1N4007 Diode\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e400-pt Breadboard\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM-M Wires\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e9V Battery Snap\u003c\/td\u003e\n\u003ctd\u003e1\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\u003eDesigned for young inventors and students aged 10–15, this kit fits perfectly into CBSE Class 11–12 physics and computer science projects, ATL Tinkering Lab activities, and early B.Tech ECE mini‑projects at VIT, BITS, or NIT. It’s also a great hands‑on gift for a child who wants to see electronics react to the real world. No prior soldering or coding experience is needed—just curiosity.\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 on the box to open the AI companion trained on this exact circuit. It walks you through wiring, code, and troubleshooting. Still need help? Reach us on WhatsApp, and a real engineer will reply within a few hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this kit control a real clothes dryer?\u003c\/summary\u003e\u003cp\u003eThe kit is a safe, low‑voltage prototype. Connect the relay to a small fan or light bulb to simulate the dryer motor. For an actual mains‑voltage dryer, an adult should add an enclosure and an electrician’s guidance—this project teaches the core logic perfectly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs any soldering required?\u003c\/summary\u003e\u003cp\u003eNo soldering at all. Every connection is made with pre‑cut male‑to‑male jumper wires on a 400‑point breadboard. You can build and rebuild in minutes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat if the DHT11 reads humidity incorrectly?\u003c\/summary\u003e\u003cp\u003eThe sensor may need a few seconds to stabilize after power‑up. The AI companion includes a calibration snippet and wiring check—most issues come from a loose data pin connection, and the companion will help you spot it instantly.\u003c\/p\u003e\u003c\/details\u003e\n\nWord count: Check HTML body only (excluding meta tags). Approx 460 words. Within 450-520. Fine.\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eDHT11 inside dryer drum pauses tumbler relay when humidity drops below 30% indicating dryness.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/uno-r3-ch340g-atmega328p-board-arduino-compatible\"\u003eArduino Uno R3\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/9-in-1-arduino-sensor-kit-with-ultrasonic-pir-dht11-mq2-more\"\u003eDHT11\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/4-channel-relay-board-for-esp32-30-pin-5v-control\"\u003e5V Relay Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/diode-variety-pack-1n4007-1n4148-1n5819-zener-assortment\"\u003e1N4007 Diode\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e10kΩ Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/breadboard-standard-bundle-830400-tie-points-for-prototyping\"\u003e400-pt Breadboard\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eM-M Wires x15\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/9v-battery-snap-connector-with-15cm-wires-compoden\"\u003e9V Battery Snap\u003c\/a\u003e\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 Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay includes all components needed: Arduino Uno R3, DHT11, 5V Relay Module, 1N4007 Diode, 10kΩ Resistors 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 Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Beginner level makers, suitable for ages 5-15. DHT11 inside dryer drum pauses tumbler relay when humidity drops below 30% indicating dryness. Estimated build time is 1-2 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay 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\": \"Automatic Clothes Dryer Humidity Monitor Kit with Arduino Uno + Relay\",\n  \"description\": \"DHT11 inside dryer drum pauses tumbler relay when humidity drops below 30% indicating dryness.\",\n  \"sku\": \"CDN-KIT-0268\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-automatic-clothes-dryer-humidity-monitor\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"890\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Home Automation\"\n}\n\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Clone","offer_id":53455399551341,"sku":"CDN-KIT-0268-CL","price":990.0,"currency_code":"INR","in_stock":true},{"title":"R3 Original","offer_id":53455399584109,"sku":"CDN-KIT-0268-R3","price":3260.0,"currency_code":"INR","in_stock":true},{"title":"R4 WiFi","offer_id":53455399616877,"sku":"CDN-KIT-0268-R4","price":2620.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-automatic-clothes-dryer-humidity-monitor.png?v=1781944345","url":"https:\/\/compoden.com\/products\/kit-automatic-clothes-dryer-humidity-monitor","provider":"Compoden","version":"1.0","type":"link"}