MQ3 Gas Sensor

Overview
1- Sensitive for alcohol, ethanol
2- Output voltage boosts along with the concentration of the measured gases increases
3- Fast response and recovery
4- Adjustable sensitivity
5- Signal output indicator

Specifications
– Power: 2.5V ~ 5.0V
– Dimension: 40.0mm * 21.0mm
– Mounting holes size: 2.0mm

Applications
– Car alcohol alarm
– Breathalyser