Fermion: BH1750 Light Sensor (Breakout)
BH1750 ambient light sensor with built-in 16-bit ADC and I2C interface, delivering calibrated lux readings directly without external conversion. No complex calculation required in firmware.
Pinout
- VCC
Power input for the DFRobot SEN0097 BH1750 breakout. Source: DFRobot product page identifies SEN0097 as the BH1750 breakout; labelled product photo shows the board header pins.
Type · powerVoltage · 3.3V to 5V module supply - GND
Ground reference for the BH1750 breakout header.
Type · groundVoltage · 0V - SCL
I2C serial clock for the BH1750 light sensor breakout.
Type · i2cVoltage · logic level follows module supply - SDA
I2C serial data for the BH1750 light sensor breakout.
Type · i2cVoltage · logic level follows module supply - ADD
I2C address-select pin on the BH1750 breakout header.
Type · addressVoltage · tie low/high per BH1750 address selection
Start wiring
I2C · Analog · 3.3 – 5 V · Breakout
Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an examp…
Module pins: VCC, GND, SCL, SDA. Schematik maps them to your board in the app.
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