1Pcs MQ-7 MQ7 Carbon Monoxide For Arduino Co Gas Sensor Module New Ic ql
1,50 €
1Pcs Module Co Gas Sensor MQ-7 MQ7 Carbon Monoxide For Arduino New Ic. 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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