The MQ3 Combustible Gas Sensor for Arduino is a highly sensitive sensor that can detect the presence of various types of alcohol and volatile organic compounds such as methanol, ethanol and propanol. It is compatible with the Arduino microcontroller and can be easily integrated into a wide variety of projects.
- Operating voltage: 3.3V-5V
- Detection range: 0.1-10mg/L
- Output: Analog
- Dimensions: 20mm x 15mm x 10mm
- VCC: Connect to power supply voltage (3.3V-5V)
- GND: Connect to ground
- AO: Connect to analog input pin on Arduino
- DO: Connect to digital pin on Arduino (Optional)
This MQ3 gas sensor is a great choice for projects such as breath analyzer, alcohol tester and air quality monitoring. It can detect a wide range of alcohol and volatile organic compounds such as methanol, ethanol and propanol. The sensor can detect a gas concentration range of 0.1mg/L to 10mg/L. It is small in size, easy to use and low power consumption makes it ideal for use in remote or mobile applications. The module can be powered using a battery or using external power supply. It provides an analog output that can be read by the Arduino and can be used to trigger an alarm or other response mechanism. It is a reliable device that can be used to detect the presence of alcohol and volatile organic compounds, making it a versatile sensor for a wide range of applications.