2Pcs Gas Sensor Lpg I-Butane Propane Methane Alcohol MQ-2 Wide Detecting Scop ni
4,55 €
Butane: 300ppm-5000ppm. Detecting concentration scope. LPG and propane: 200ppm-5000ppm. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and connect the output to an ADC.
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