{"product_id":"bh1750-light-sensor-module","title":"BH1750 Light Sensor Module – Digital Ambient Light \/ Lux Sensor with I2C Interface for Arduino, ESP32 \u0026 IoT Projects","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eBH1750 Light Sensor Module\u003c\/strong\u003e is a compact digital ambient light sensor designed to measure the intensity of surrounding light in \u003cstrong\u003elux (lx)\u003c\/strong\u003e. Based on the \u003cstrong\u003eBH1750FVI digital light sensor\u003c\/strong\u003e, this module provides a convenient \u003cstrong\u003eI2C interface\u003c\/strong\u003e, making it easy to integrate with popular development boards such as Arduino, ESP32, ESP8266, Raspberry Pi, and STM32.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike simple LDR-based light sensors that provide an analog voltage requiring calibration, the BH1750 provides a \u003cstrong\u003edigital light measurement\u003c\/strong\u003e, making it useful for applications where reliable ambient-light monitoring is required.\u003c\/p\u003e\n\u003cp\u003eIts compact size, low power consumption, and straightforward I2C communication make it suitable for \u003cstrong\u003eIoT devices, smart lighting systems, display brightness control, automation projects, robotics, and environmental monitoring applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDigital ambient light intensity measurement\u003c\/li\u003e\n\u003cli\u003eMeasures light level directly in \u003cstrong\u003eLux (lx)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eI2C digital communication interface\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eEasy integration with Arduino, ESP32, ESP8266, Raspberry Pi and STM32\u003c\/li\u003e\n\u003cli\u003eCompact and easy-to-integrate module\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eNo external LDR or analog signal conditioning required\u003c\/li\u003e\n\u003cli\u003eSuitable for indoor and embedded light-monitoring applications\u003c\/li\u003e\n\u003cli\u003eUseful for automatic brightness and smart-lighting systems\u003c\/li\u003e\n\u003cli\u003eIdeal for DIY, educational and professional electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor IC\u003c\/td\u003e\n\u003ctd\u003eBH1750 \/ BH1750FVI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eDigital Ambient Light Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Unit\u003c\/td\u003e\n\u003ctd\u003eLux (lx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eI2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003eTypically 3.3V–5V module input*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Output\u003c\/td\u003e\n\u003ctd\u003eI2C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical I2C Address\u003c\/td\u003e\n\u003ctd\u003e0x23 \/ 0x5C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Modes\u003c\/td\u003e\n\u003ctd\u003eLow Resolution, High Resolution \u0026amp; High Resolution Mode 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eAmbient Light Measurement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eBreakout \/ Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e* \u003cstrong\u003eNote:\u003c\/strong\u003e Module supply specifications can vary between board versions. Check the markings\/specifications of the particular module before connecting it to your controller.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe BH1750 Light Sensor Module can be used in a wide range of electronics and IoT applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e🌞 Ambient light monitoring\u003c\/li\u003e\n\u003cli\u003e💡 Automatic LED brightness control\u003c\/li\u003e\n\u003cli\u003e🏠 Smart home automation\u003c\/li\u003e\n\u003cli\u003e📱 Automatic display brightness adjustment\u003c\/li\u003e\n\u003cli\u003e🌐 IoT environmental monitoring\u003c\/li\u003e\n\u003cli\u003e🤖 Robotics projects\u003c\/li\u003e\n\u003cli\u003e🌱 Smart agriculture and greenhouse monitoring\u003c\/li\u003e\n\u003cli\u003e🖥️ Display and lighting control systems\u003c\/li\u003e\n\u003cli\u003e🔆 Smart street-lighting prototypes\u003c\/li\u003e\n\u003cli\u003e📊 Data logging and environmental sensing\u003c\/li\u003e\n\u003cli\u003e🎓 Arduino and electronics education projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe BH1750 detects the intensity of visible light using its integrated photosensitive element and converts the detected light level into a digital value. The connected microcontroller communicates with the sensor through the \u003cstrong\u003eI2C bus\u003c\/strong\u003e and can read the measured illumination level in \u003cstrong\u003elux\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis digital approach makes the BH1750 convenient for applications where a numerical light-intensity value is required rather than simply detecting whether an area is bright or dark.\u003c\/p\u003e\n\u003ch3\u003eCompatible Development Boards\u003c\/h3\u003e\n\u003cp\u003eThe module can be integrated with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eArduino UNO \/ Mega \/ Nano\u003c\/li\u003e\n\u003cli\u003eESP32 \/ ESP32-S3 \/ ESP32-C3\u003c\/li\u003e\n\u003cli\u003eESP8266 \/ NodeMCU\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi\u003c\/li\u003e\n\u003cli\u003eSTM32 development boards\u003c\/li\u003e\n\u003cli\u003eOther microcontrollers supporting I2C communication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × BH1750 Light Sensor Module\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Elecsynergy","offers":[{"title":"Default Title","offer_id":64630604923249,"sku":null,"price":142.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/6579\/5185\/files\/GY-302-BH1750-Light-Intensity-Module-1.jpg?v=1789814867","url":"https:\/\/elecsynergy.in\/products\/bh1750-light-sensor-module","provider":"Elecsynergy","version":"1.0","type":"link"}