BH1750 Ambient Light Sensor Module Digital Lux Meter with I²C Interface

The BH1750 Ambient Light Sensor Module is a high-precision digital ambient light intensity sensor designed to measure illumination directly in lux (lx). Based on the BH1750FVI sensor IC, it communicates through an I²C interface and eliminates the need for complex calculations required by analog light sensors. With its wide measurement range and low power consumption, it is ideal for automatic brightness control, smart lighting, weather stations, IoT devices, and embedded systems.

Key Features

• Based on the BH1750FVI digital ambient light sensor IC
• Measures light intensity directly in lux (lx)
• I²C digital communication interface
• Wide measurement range up to 65,535 lux
• High resolution and accurate light measurement
• Low power consumption for battery-powered applications
• Supports continuous and one-time measurement modes
• Compatible with 3.3V and 5V microcontroller systems (module dependent)

Technical Specifications

Applications

• Automatic display brightness control
• Smart lighting systems
• Weather stations and environmental monitoring
• IoT and embedded systems
• Home automation projects
• Light intensity monitoring and data logging

Important Notes

• Ensure the sensor is not obstructed for accurate light measurements.
• Verify the I²C address if multiple BH1750 modules are used on the same bus.
• Use appropriate pull-up resistors on the I²C lines if not provided on the module.
• Avoid exposing the sensor to direct laser or extremely intense light sources.
• Confirm the module’s operating voltage before connecting to your microcontroller.