MQ135 is sensitive air quality sensor tha detects NH3, NOx, Alcohol, Benzene, Smoke an CO2. The heater Voltage i 5V an 31 ohm (40mA consumption). The board has digital and analog output.
- Detects NH3, NOx, alcohol, benzene, smoke, CO2, etc.
- Operating voltage 5V
- Operating current 40mA
- Bot digital and analog output
- Popular sensor - a lot of examples available for different platform
- Port explanation AO for analog output, DO for digital output, GND for ground, VCC for 5V voltage input