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MQ3 Gas Sensor Module
Low-cost semiconductor gas sensor with analog and digital output
- Power Supply: 5 Volts
- Interface Type: Analog & Digital
- High Sensitivity: Alcohol
- Low Sensitivity: Benzine
- Cost: Low
- Stability: Stable & Long Life
- Indicator: On-board Power indication
Top Features:
- Easy to use, plug and play design
- Threshold value easily adjustable with onboard potentiometer
- Can be interfaced with Microcontrollers, Arduinos, and Raspberry Pi
- Suitable for use in a breathalyzer
This module utilizes the MQ3 Alcohol gas sensor as the alcohol gas sensing element. It requires no external components; just plug in the Vcc and ground pins to get started. The threshold value for digital output can be easily set using the onboard potentiometer. The MQ3 sensor module is highly sensitive to alcohol and has a small sensitivity to Benzine.
*Images are for illustration only; actual product may vary.