Description
MQ-135 is sensitive air quality sensor that detects NH3, NOx, alcohol, benzene, smoke, CO2, etc.
Heater voltage 5V, 31 ohm (40mA consumption)
The board has digital and analog output.
FEATURES
- Detects NH3, NOx, alcohol, benzene, smoke, CO2, etc.
- 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