Description
MQ-3 Alcohol Sensor Module – High Sensitivity Alcohol Detection
The MQ-3 Alcohol Sensor Module is a reliable and efficient gas sensor specifically designed to detect
alcohol vapors such as ethanol present in the air. It is commonly used in breathalyzer systems,
alcohol detection devices, and various embedded electronics projects.
This sensor features high sensitivity to alcohol and low sensitivity to other gases, making it ideal
for accurate alcohol detection. The module supports both analog and digital output, allowing easy
integration with microcontrollers like Arduino, ESP8266, ESP32, and Raspberry Pi.
The MQ-3 sensor is built with a fast response time and long operational life. Its onboard potentiometer
allows users to adjust sensitivity according to their application needs. Due to its stable performance
and low cost, it is widely used in educational, industrial, and DIY electronics projects.
Key Features:
- High sensitivity to alcohol vapors (ethanol)
- Low sensitivity to smoke and other gases
- Analog and digital output support
- Adjustable sensitivity via onboard potentiometer
- Fast response and recovery time
- Compatible with Arduino and other microcontroll
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