MQ-3 MQ3 Alcohol Ethanol Gas Sensor Module for Arduino

MQ-3 MQ3 Alcohol Ethanol Gas Sensor Module for Arduino

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

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

Applications:
Car alcohol alarm
Breathalyser
How to Use

In the case of working with a MCU:
VCC ↔ 2.5V ~ 5.0V
GND ↔ power supply ground
AOUT ↔ MCU.IO (analog output)
DOUT ↔ MCU.IO (digital output)

Package content:
1 x MQ-3 Sensor Module


Raspberry Pi is a Trademark of the Raspberry Pi Foundation


Product ID: EP00281