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The ESP module can read a BH1750 Lux sensor using the I2C protocol.

The BH1750 sensor needs to be connected to a the I2C pins on the ESP module. These pins can be configured on the hardware tab.



The BH1750 sensor can be connected directly to an ESP module by using the two pins SDA and SCL.


Custom Sketch

ESP Easy

Use the device tab on the ESP Easy webinterface and create a new task by editing one of the available tasks. Select "BH1750 Lux Sensor" from the dropdown box.


Enter the IDX found in the Domoticz device page. That should be all.

Optional settings

Use of formulas

Use of value names

ESP Connexio

Syntax: LUXRead "var"