1Pcs Co Gas Sensor For Arduino MQ-7 MQ7 Carbon Monoxide Module Ic New yc
1,50 €
1Pcs For Arduino MQ-7 MQ7 Carbon Monoxide Module Co Gas Sensor Ic New. Signal output light indicator. Working current:140mA. High and low level signal output signal for low level effectively, can be directly by single chip microcomputer.
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