{"product_id":"5516-photoresistor-sensor-module-with-lm393-comparator-digital-light-switch-output-for-arduino-esp32-diy-projects-1-5pcs","title":"5516 Photoresistor Sensor Module with LM393 Comparator, Digital Light Switch Output for Arduino ESP32 DIY Projects (1\/5Pcs)","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\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\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\"\u003e🎯 Product Highlights \u0026amp; Description\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【Precise Light Sensing】: Equipped with a high-sensitivity 5516 photoresistor, this module accurately detects ambient light intensity changes, making it the perfect \"eye\" for your smart devices.\u003cbr\u003e\u003cbr\u003e【Stable Digital Signal】: The built-in LM393 voltage comparator provides a clean, jitter-free digital (0\/1) signal output. It's easier to read by microcontrollers and has stronger driving capability (＞15mA) than a bare photoresistor.\u003cbr\u003e\u003cbr\u003e【Adjustable Sensitivity】: The onboard precision potentiometer allows you to easily fine-tune the light detection threshold, adapting to various application scenarios.\u003cbr\u003e\u003cbr\u003e【Wide Compatibility \u0026amp; Easy Use】: Operates at 3.3V-5V, making it perfectly compatible with Arduino, ESP32, ESP8266, Raspberry Pi and other development boards. Only 3 pins to connect!\u003cbr\u003e\u003cbr\u003e📝 Technical Specifications\u003cbr\u003e\u003cbr\u003eCore Sensor: 5516 Photoresistor\u003cbr\u003e\u003cbr\u003eSignal Chip: LM393 Voltage Comparator\u003cbr\u003e\u003cbr\u003eOperating Voltage: DC 3.3V - 5V\u003cbr\u003e\u003cbr\u003eOutput Signal: Digital Switch (HIGH\/LOW)\u003cbr\u003e\u003cbr\u003eDrive Capacity: \u0026gt; 15mA\u003cbr\u003e\u003cbr\u003eDetection Angle: ~60 degrees\u003cbr\u003e\u003cbr\u003e🛠️ How to Use \u0026amp; Wiring Guide\u003cbr\u003e\u003cbr\u003eConnection is incredibly simple (3 Wires):\u003cbr\u003e\u003cbr\u003eVCC → 3.3V or 5V on your board\u003cbr\u003e\u003cbr\u003eGND → GND on your board\u003cbr\u003e\u003cbr\u003eDO → Any Digital Input Pin (e.g., D2 on Arduino)\u003cbr\u003e\u003cbr\u003eHow it Works:\u003cbr\u003e\u003cbr\u003eWhen the light intensity falls below the threshold you set (by adjusting the potentiometer), the DO pin outputs LOW (0).\u003cbr\u003e\u003cbr\u003eWhen the light intensity rises above the threshold, the DO pin outputs HIGH (1).\u003cbr\u003e\u003cbr\u003e💡 Application Ideas\u003cbr\u003e\u003cbr\u003eSmart Night Light: Automatically turns on LED strips when it gets dark.\u003cbr\u003e\u003cbr\u003eAuto-Balcony Garden Light: Illuminate your plants at night without manual intervention.\u003cbr\u003e\u003cbr\u003eCamera Auto-Shutter: Trigger photos when a shadow or light appears.\u003cbr\u003e\u003cbr\u003eWeather Station: Detect sunrise and sunset.\u003cbr\u003e\u003cbr\u003eSecurity Alarm: Trigger an alarm when a light beam is interrupted.\u003cbr\u003e\u003cbr\u003e📦 Package Includes\u003cbr\u003e\u003cbr\u003e5 x 5516 Light Sensor Modules (Your customers will love this bulk value!)\u003cbr\u003e\u003cbr\u003e🔔 Friendly Note\u003cbr\u003e\u003cbr\u003eRotate the potentiometer clockwise to make it trigger in brighter conditions (increase sensitivity).\u003cbr\u003e\u003cbr\u003eRotate counter-clockwise to make it trigger in darker conditions (decrease sensitivity).\u003cbr\u003e\u003cbr\u003eWe provide beginner-friendly tutorials and code examples. Feel free to contact us if you need any help!\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Scd41ff4790bc45dfb884a8a4ca551b82P.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2924f5dcdff144a19f0125b78c7cce71f.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S64971634c5e14caaa850b5ac33110171s.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S370418f646c543869f842c2bb59f9628P.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S90d461511b0a4775844abc5fc7e39ba9o.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sfb974a15287549cf8782a9e78a5c765c8.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":"1pcs","offer_id":55084337922347,"sku":"14:10#1pcs","price":8.19,"currency_code":"USD","in_stock":true},{"title":"5pcs","offer_id":55084337955115,"sku":"14:193#5pcs","price":18.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S370418f646c543869f842c2bb59f9628P_566d0c43-2840-4fe4-be62-e62f55a70f5d.webp?v=1787832765","url":"https:\/\/yoeruyo.com\/products\/5516-photoresistor-sensor-module-with-lm393-comparator-digital-light-switch-output-for-arduino-esp32-diy-projects-1-5pcs","provider":"Yoeruyo","version":"1.0","type":"link"}