MQ-3 Gas Sensor (Alcohol Ethanol)
Monitor alcohol ethanol with this MQ-3 gas sensor from Waveshare!
Comes complete with a 4-pin sensor cable.
Note: Please do not use this sensor for critical home/industrial/commercial gas sensing applications. Intended for development and learning/hobby purposes only.
Features
- 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
- Sensor only – no cable
Specifications
- Power: 2.5V ~ 5.0V
- Dimension: 40.0mm * 21.0mm
- Mounting holes size: 2.0mm
Package Contents
- 1x MQ-3 sensor
- 1x 4-pin sensor cable
Resources
- Product Wiki
In the case of working with an MCU:
- VCC ↔ 2.5V ~ 5.0V
- GND ↔ power supply ground
- AOUT ↔ MCU.IO (analog output)
- DOUT ↔ MCU.IO (digital output)
