{"product_id":"ky-032-ir-sensor-module-4-wire-obstacle-avoidance-adjustable-2-40cm-for-arduino-robot-car-line-follower-diy-electronics-project","title":"KY-032 IR Sensor Module 4-Wire Obstacle Avoidance Adjustable 2-40cm for Arduino Robot Car Line Follower DIY Electronics Project","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMetal\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSwitching Transducer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTheory\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHall Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOptical-Electronics Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eUse\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePosition Sensor\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003ep{margin-block-start: 0; margin-block-end: 0}\u003c\/div\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eMaster Navigation: The Adjustable KY-032 IR Sensor for Robot Obstacle Avoidance \u0026amp; Precise Line Following.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eKey Features \u0026amp; Benefits:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🤖 Dual-Mode Intelligence: Excels at both obstacle detection (2-40cm range) and high-precision black line tracking, making it a versatile core sensor for autonomous robots and smart cars.\u003cbr\u003e\u003cbr\u003e🎛️ Precision Dual-Potentiometer Tuning: Two multi-turn trimmers allow independent adjustment of IR emission frequency (38KHz tuning) and detection sensitivity threshold, enabling optimization for any surface or line contrast.\u003cbr\u003e\u003cbr\u003e🔌 4-Wire Design with Enable Control: Beyond basic 3-wire sensors, the Enable (EN) pin allows MCU-controlled power cycling for energy saving in battery-powered projects.\u003cbr\u003e\u003cbr\u003e⚡ Wide 3.3V\/5V Compatibility: Works seamlessly with Arduino, ESP32, Raspberry Pi, STM32 without logic level shifters. Plug-and-play voltage flexibility.\u003cbr\u003e\u003cbr\u003e🛡️ Modulated IR for Reliability: Uses 38KHz modulated infrared to resist ambient light interference, ensuring stable operation under indoor lighting or in challenging environments.\u003cbr\u003e\u003cbr\u003eProduct Description:\u003cbr\u003eGive your robot vision. The KY-032 isn't just an obstacle sensor; it's a programmable sensing node. Whether you're building a maze-solving robot, an automated line-follower car, or a smart inventory bot, its adjustable range and digital output provide the reliable environmental feedback your project needs.\u003cbr\u003e\u003cbr\u003e🚨 Critical Setup \u0026amp; Usage Warnings:\u003cbr\u003e【AVOID FRUSTRATION – READ BEFORE YOU BUY \u0026amp; BUILD】\u003cbr\u003e\u003cbr\u003eYOU MUST PROVIDE CONNECTION ACCESSORIES! This is a bare module. It does NOT include wires or jumper caps. To use it, you must have:\u003cbr\u003e\u003cbr\u003e4 x Female-to-Female Dupont Wires (for VCC, GND, OUT, EN).\u003cbr\u003e\u003cbr\u003e1 x 2-Pin Jumper Cap or a short wire to bridge the EN pin to GND. Without this bridge, the sensor will NOT work.\u003cbr\u003e\u003cbr\u003eDISTANCE IS MATERIAL-DEPENDENT: The 2-40cm range is for highly reflective (white) surfaces. For dark or non-reflective (black) objects, the effective range can be as low as 2-5cm. Always test with your actual target.\u003cbr\u003e\u003cbr\u003eCALIBRATION IS REQUIRED FOR LINE FOLLOWING: For best line tracking:\u003cbr\u003e\u003cbr\u003eMount sensor 1-2cm above ground, pointing down.\u003cbr\u003e\u003cbr\u003eFirst, adjust the 502 potentiometer (FREQ) over a white surface until the output is most stable (LED flickers least).\u003cbr\u003e\u003cbr\u003eThen, adjust the 103 potentiometer (SENS) over the black line to get a clear LOW signal, while maintaining HIGH over the white background.\u003cbr\u003e\u003cbr\u003eENABLE PIN FOR POWER SAVING: For battery projects, connect EN to a microcontroller GPIO. Set the pin LOW to activate the sensor, HIGH to put it to sleep, drastically reducing idle current.\u003cbr\u003e\u003cbr\u003eAVOID DIRECT SUNLIGHT \u0026amp; HIGH GLOSS: Strong ambient IR (sunlight) or highly reflective floors can saturate the receiver, causing false triggers or reduced sensitivity. Test in your intended environment.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003cbr\u003eSensor Type: Digital Infrared Reflective\u003cbr\u003e\u003cbr\u003eOperating Voltage: 3.3V - 5V DC\u003cbr\u003e\u003cbr\u003eDetection Range: Adjustable, 2cm - 40cm (Typical for white object)\u003cbr\u003e\u003cbr\u003eOutput Signal: TTL Digital (Low: Object Detected, High: Clear)\u003cbr\u003e\u003cbr\u003eOutput Current: 100mA (Sink)\u003cbr\u003e\u003cbr\u003eAdjustment Pots: Frequency (502), Sensitivity (103)\u003cbr\u003e\u003cbr\u003eEnable Control: Yes (Active LOW)\u003cbr\u003e\u003cbr\u003eInterface: 4-pin (VCC, GND, OUT, EN)\u003cbr\u003e\u003cbr\u003eModule Size: Approx. 45mm x 16mm x 10mm\u003cbr\u003e\u003cbr\u003ePackage Includes:\u003cbr\u003e\u003cbr\u003e1 x KY-032 Infrared Obstacle Avoidance Sensor Module\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sdd935b60ccda42edb0f58dceda6228a4D.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S43a46a3e22c445bea258394c6b622034N.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6833470115da4b42bb6c0104448edea9m.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S608d230b266145bb809fe6d1c42a3d77W.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb940b751431f41ce9640d7f9b764632bF.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0baa77142c0548e993f9478ee38e84ddP.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfa3ab49d6e8946aea03a652a9838fd96a.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S93125a976a884fdc85bb0d3f7aa5b897s.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"3 pcs","offer_id":55420130722091,"sku":"14:29#3 pcs","price":27.18,"currency_code":"USD","in_stock":true},{"title":"5 pcs","offer_id":55420130754859,"sku":"14:173#5 pcs","price":35.24,"currency_code":"USD","in_stock":true},{"title":"1 pcs","offer_id":55420130787627,"sku":"14:10#1 pcs","price":11.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sdd935b60ccda42edb0f58dceda6228a4D.webp?v=1788499355","url":"https:\/\/yoeruyo.com\/products\/ky-032-ir-sensor-module-4-wire-obstacle-avoidance-adjustable-2-40cm-for-arduino-robot-car-line-follower-diy-electronics-project","provider":"Yoeruyo","version":"1.0","type":"link"}