{"product_id":"ky-032-ir-obstacle-sensor-4-wire-3-80cm-adjustable-distance-for-smart-car-robot-line-tracking-anti-interference-for-arduino","title":"KY-032 IR Obstacle Sensor 4-Wire 3-80cm Adjustable Distance for Smart Car Robot Line Tracking Anti-Interference for Arduino","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_text\"\u003e\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eKY-032 Infrared Obstacle Avoidance Sensor Module 4pin 2-40cm Adjustable for Arduino Smart Car Robot DIY\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se864db283fcb4d45a55bcd45da0e7c86K.png\" slate-data-type=\"image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1b65c1ab1ace4b619e80e3cadf128b29a.png\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" 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);display:block;width:100%\" align=\"left\"\u003e🚗 Adjustable Range: 2-40cm detection distance, adjustable via potentiometer.\u003cbr\u003e\u003cbr\u003e🔌 4-Pin Interface: VCC, GND, OUT, EN – 3.3V\/5V compatible.\u003cbr\u003e\u003cbr\u003e🎛️ Enable Control: EN pin for power saving.\u003cbr\u003e\u003cbr\u003e⚙️ Frequency Adjustment: Dual potentiometers for fine tuning.\u003cbr\u003e\u003cbr\u003e🧩 Fast Response: Ideal for obstacle avoidance, line tracking, drop prevention.\u003cbr\u003e\u003cbr\u003e🌍 Wide Compatibility: Arduino, STM32, 51 MCU.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eProduct Description\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eNeed obstacle avoidance for your smart car? KY-032 infrared sensor module is the perfect choice. Detection range 2-40cm adjustable, TTL output (0=obstacle, 1=clear). Enable pin for power control. Dual potentiometers for tuning. Perfect for robot obstacle avoidance, line tracking, counting.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003e⚡ Quick Start Guide \u0026amp; Important Tips\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7cd9589097e34cb2833561186c68bd84V.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003e⚠️ Important:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eEnable: Short EN to GND (jumper cap) for normal operation.\u003cbr\u003e\u003cbr\u003eAdjustment: Turn 502 pot fully clockwise, then adjust 103 pot against white wall for max range.\u003cbr\u003e\u003cbr\u003eDark objects: Reduce detection distance.\u003cbr\u003e\u003cbr\u003ePower: 3.3-5V only.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003e🔹 Arduino Code\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eint ledPin = 13;\u003cbr\u003eint sensorPin = 3;\u003cbr\u003evoid setup() {\u003cbr\u003epinMode(ledPin, OUTPUT);\u003cbr\u003epinMode(sensorPin, INPUT);\u003cbr\u003e}\u003cbr\u003evoid loop() {\u003cbr\u003eif (digitalRead(sensorPin) == LOW) {\u003cbr\u003edigitalWrite(ledPin, HIGH);\u003cbr\u003e} else {\u003cbr\u003edigitalWrite(ledPin, LOW);\u003cbr\u003e}\u003cbr\u003edelay(50);\u003cbr\u003e}\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003e🔹 Common Questions\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003e❓ Short detection range?\u003cbr\u003eAdjust potentiometers, check power, dark objects reduce range.\u003cbr\u003e\u003cbr\u003e❓ Output always LOW?\u003cbr\u003eCheck EN pin grounded, no obstacle in range, adjust sensitivity.\u003cbr\u003e\u003cbr\u003e❓ Line tracking?\u003cbr\u003eWorks but TCRT5000 is better for line tracking.\u003cbr\u003e\u003cbr\u003eSpecifications\u003cbr\u003eVoltage: 3.3V – 5V\u003cbr\u003e\u003cbr\u003eCurrent: 20mA\u003cbr\u003e\u003cbr\u003eRange: 2-40cm adjustable\u003cbr\u003e\u003cbr\u003eOutput: TTL (0\/1)\u003cbr\u003e\u003cbr\u003eAngle: 35°\u003cbr\u003e\u003cbr\u003eInterface: 4pin\u003cbr\u003e\u003cbr\u003eSize: 45×11mm\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73);display:block;width:100%\" align=\"left\"\u003eNote: Manual measurement, allow 1‑3mm error. Colors may vary.\u003c\/p\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"1 pcs KY-032","offer_id":55420130263339,"sku":"14:496#1 pcs KY-032","price":10.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S407b6f5fda2745beb66e0b88034f1140x.webp?v=1788499353","url":"https:\/\/yoeruyo.com\/products\/ky-032-ir-obstacle-sensor-4-wire-3-80cm-adjustable-distance-for-smart-car-robot-line-tracking-anti-interference-for-arduino","provider":"Yoeruyo","version":"1.0","type":"link"}