2Pcs Wide Detecting Scope Gas Sensor MQ-2 Lpg I-Butane Propane Methane Alcoho li
3,43 €
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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