I2C address 0x23

One module in this catalog ships at 0x23: the BH1750 Light Sensor.

BH1750 Light Sensor

Can be moved to 0x5C with a jumper or pin.

TCA9534 I2C GPIO Expander

Ships at 0x27 and can be moved here.

PCF8575 16-Channel GPIO Expander

Ships at 0x20 and can be moved here.

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The newest record here was last changed on October 26, 2026.