BH1750 - Light Intensity Sensor Module
Description:
BH1750 is a digital ambient light intensity sensor module, widely used in smart electronics and environmental monitoring projects. It provides accurate measurements of light intensity (illuminance) in lux (lx), directly over the I²C communication protocol.Manufactured by ROHM Semiconductor, the BH1750 module is designed to mimic the human eye's response to light, making it perfect for applications that need light-based decision-making, such as smart lighting systems, automatic brightness control, weather stations, and greenhouses.It is commonly used with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers for real-time light intensity detection.
Features:
1. Measures ambient light intensity in Lux (lx)
2. Built-in 16-bit Analog-to-Digital Converter (ADC)
3. Communicates via I²C interface
4. Wide range of light measurement: 1 lx to 65535 lx
5. Low power consumption
6. Human-eye-like spectral response
7. Compact and easy-to-use design
8. No need for complex calibration
9. Operates at low voltages (3.3V to 5V)
Diagram:
Specifications:
| Sensor Model | BH1750FVI |
| Measuring Range | 1 lx to 65535 lx |
| Communication Protocol | I²C (Two-Wire Interface) |
| Operating Voltage | 3.0V to 5.0V DC |
| Current Consumption | 0.12mA (Typical in active mode) |
| Measurement Time | Typical 120ms |
| Output Data Resolution | 1 lx / step |
| I²C Address | 0x23 (default) or 0x5C |
| Dimensions | 32mm x 14mm x 7mm |
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