Wrong pin description - it may destroy the sensor.

Greg.Pe 2026-03-02 01:55:48 29 Views1 Replies
Wrong pin description on : https://wiki.dfrobot.com/Hydrogen_Gas_Sensor_MQ8___SKU_SEN0133_

Pin definition is not aligned with the schematic:
Pin Definition
Signal OutputGNDPower

2026-03-02 13:08:46

Sorry for the inconvenience and thanks for your feedback!

This sensor has two versions:

New version (V2): 1-Output, 2-VCC, 3-GNDOld version: 1-Output, 2-GND, 3-VCC

We will update the product documentation immediately. niu.yixuan

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