Methane and Carbon Dioxide sensor

References

Dropbox Methane Folder

Circuit Diagram

Pinout for Methane Sensor

• NGM2611-E13 - pre-calibrated module for Methane (Figaro)
• Methane Sensor Specifications RS Electrical
• Methane sensor RS

Pinout for CO2 Sensor

• SenseAir K33 LP T/RH CO2 Sensor
• SenseAir K33 LP T/RH CO2 Sensor Specification document

Pinout DHT22 Temperature and Humidity sensor

• DHT22 temperature and humidity sensor
• DHT22 datasheet