The MQ9 Combustible Gas Sensor for Arduino is a highly sensitive sensor that can detect the presence of various types of combustible gases. It is compatible with the Arduino microcontroller and can be easily integrated into a wide variety of projects.
Technical specs:
- Operating voltage: 5V
- Detection range: 100ppm-10000ppm
- Output: Analog
- Dimensions: 32mm x 22mm x 20mm
Pin connections:
- VCC: Connect to power supply voltage (5V)
- GND: Connect to ground
- AO: Connect to analog input pin on Arduino
- DO: Connect to digital pin on Arduino (Optional)
This MQ9 gas sensor is a great choice for projects such as gas leakage detection, home security, and industrial control systems. It can detect a wide range of combustible gases such as natural gas, coal gas, liquefied gas, and methane. The sensor can detect a gas concentration range of 100ppm to 10000ppm. 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 various types of combustible gases, making it a versatile sensor for a wide range of applications.