MQ3 Alcohol Ethanol Sensor Breath Gas Ethanol Detection Gas Sensor Module For ArduinoSold By elecseller
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Description: Size: approx. 32 x 22 x 27mm Main chip: LM393, ZYMQ-3 gas detector Working Voltage: DC 5V With signal output instructions. Two-way signal output (TTL level output and analog output). ...Read More…
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