Pinagem

Pinagem Sensor de luz BH1750 (GY-302)

Pinos

VCC (3.3–5V)
GND
SCL / SDA (I2C)
ADDR (address select: LOW/floating = 0x23, HIGH = 0x5C)
Reads illuminance directly in lux (1–65535 lx), no calibration needed

Especificações

Board supply	3.3–5 V (onboard regulator)
Chip supply	2.4–3.6 V
Interface	I2C, up to 400 kHz
I2C address	0x23 (0x5C with ADDR HIGH)
Measuring range	1–65535 lx
Resolution	1 lx (H-mode), 0.5 lx (H-mode 2), 4 lx (L-mode)
Measurement time	120 ms (H-mode), 16 ms (L-mode) typical
Spectral response	Close to the human eye (peak ≈560 nm)
Supply current	120 µA typical, 0.01 µA power-down

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