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Customer #448836 on BOB-08891 - Gas Sensor Breakout Board

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I tested the board with a multimeter’s buzzer and found that both As are connected together and both Bs are connected together (see the datasheet for As and Bs). So all you need is:

H1 –> 5V, A1 –> 5V, GND –> GND, B1 –> Microcontroller’s input


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