Air Quality Benzene, Alcohol, Smoke(Gas) Sensor MQ-135
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Summary
MQ135 gas sensor for air quality monitoring with analog output for various gas detection including benzene, alcohol, and smoke.
Description
The **MQ135 Gas Sensor** detects various gases including NH₃, NOx, alcohol, benzene, smoke, and CO₂. It provides analog output proportional to gas concentration and requires heating operation. The sensor features calibration capabilities for different environmental conditions and gas types.
Diagram:
Properties
- Enabled – Enables or disables the sensor (Default: True).
- Name – Component identifier name.
- Period – Measurement period in milliseconds (Default: 25000).
- Clean Air Value – Calibration value for clean air (Default: 0.04).
- Load Resistor – Load resistor value for sensor operation (Default: 0.99).
Pins
Input Pins
- Calibrate – Calibration trigger input.
- Correction – Calibration correction input.
- Temperature – Temperature input for calibration in Celsius.
- Humidity – Humidity input for calibration in percentage.
- Pty In – Additional calibration parameter input.
Output Pins
- Calibrating – Calibration status output.
- CO2 (analog) – Carbon dioxide concentration output.
- Methyl (analog) – Methyl compound concentration output.
- Ammonium (analog) – Ammonium concentration output.
- Acetone (analog) – Acetone concentration output.
- Ethanol (analog) – Ethanol concentration output.
- Heater (digital) – Heater control output.
Categories
- File:TArduinoAnalogCategory.png Category Analog – Analog sensor components.
- File:TArduinoDigitalCategory.png Category Digital – Digital control components.
- File:TArduinoSensorCategory.png Category Sensors – Gas sensors.
- File:TArduinoAirQualityCategory.png Category Air Quality – Air quality monitoring devices.
