Our MQ2 Gas Sensor Module (Smoke Detector) has thick PCB.It is a best smoke detector sensor. It is one of the perfect modem for prototyping with the MQ2 and device that require an antenna connection. This module has a female signal pin and will correctly mate with the original type antennas. Moreover, clients can opt for different dimensions according to the specific business needs.
Operating Voltage is +5V
Can be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methane
Analog output voltage: 0V to 5V
Digital Output Voltage: 0V or 5V (TTL Logic)
Preheat duration 20 seconds
Can be used as a Digital or analog sensor
The Sensitivity of Digital pin can be varied using the potentiometer
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