MQ-5 Gas Sensor (Arduino & Raspberry Pi Compatible)

This Air Quality Sensor to detect H2, LPG, CH4, CO and Alcohol concentrations in the air. An analog signal increases as the concentration of pollutants increase in the air. This module also includes a digital output pin with TTL output. The Potentiometer on board is used to set the Digital Output Setpoint. 

Specifications:

• Useful for detecting harmful gases in the environment including H2, LPG, CH4, CO and Alcohol
• Wide detecting scope
• High sensitivity & stability
• Simple drive circuit
• Type: MQ5
• Detection Zone: 200 - 10000ppm
• Load Resistance:10K (variable via onboard potentiometer)
• Heating Current: ≤150mA
• Heating Voltage: 5.0V±0.1V
• Operating Conditions:
• Ambient Temperature:-10℃～+45℃
• Humidity:≤95%RH
• Operating Voltage: 5V
• Compatible with Arduino & Raspberry Pi
• Pinout:
• VCC: 5V
• AOUT: Analog Output
• DOUT: Digital Output
• GND: 0V