MQ7 Gas Sensor Module – Carbon Mono Oxide Sensor

Features

• Wide detecting scope
• Stable and long life
• Fast response and High sensitivity
• Analog and Digital Outputs
• Trigger Level configuration Potentiometer

Specifications

• Size: 32mm X22mm X27mm
  
• Operating voltage: DC 5V
• Analog Output (AO): 0~5V analog output voltage
• Digital Outout (DO): 0V or 5V output (the higher the voltage the higher the concentration)
• Configuration: Through Potentiometer (adjusts the output level transition)
• Preheat Duration: 20s

Pinout

• VCC (+5V)
• GND (0V)
• DO (Digital Out)
• AO (Analog Out)