The MQ5 Gas Sensor module is useful for gas leakage detecting. It can detect LPG, i-butane, methane, alcohol, Hydrogen, smoke and so on. The sensitivity can be adjusted using the on-board potentiometer, and you'd use this sensor by reading the analog pin to which it is connected. Please use these sensors only in controlled experiments!
- Working voltage: 5V
- Working Current: 150mA
- DO: TTL output
- AO: Analog output, it will be higher with more such gas.
- Preheat time: Over 20s