SNS-MQ2 (Olimex) FLAMABLE AND COMBUSTIVE GAS, LPG, PROPANE AND HYDROGEN DETECTOR

https://www.olimex.com/Products/Components/Sensors/SNS-MQ2/

FLAMABLE AND COMBUSTIVE GAS, LPG, PROPANE AND HYDROGEN DETECTOR

SNS-MQ2 is a sensor module that detects LPG, propane and hydrogen in the air. It can be used to detect methane and other combustible substances.

Heater voltage 5V, 31 ohm (40mA consumption)

FEATURES

• Detects LPG, propane, hydrogen, methane and other combustible substances in the air
• Operating voltage 5V
• Operating current 40mA
• Both digital and analog output
• Popular sensor - a lot of examples available for different platforms 
• Port explanation : AO for analog output, DO for digital output, GND for ground, VCC for 5V voltage input

DOCUMENTS

• SNS-MQ2 datasheet
• Setting up SNS-MQx sensors
• Experimenting with gas sensors and Arduino