MQ -135 Sensor Air Quality

Rs 100
Qty:
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MQ-135 Sensor Features

  • Wide detecting scope
  • Fast response and High sensitivity
  • Stable and long life
  • Operating Voltage is +5V
  • Detect/Measure NH3, NOx, alcohol, Benzene, smoke, CO2, etc.
  • Analog output voltage: 0V to 5V
  • Digital output voltage: 0V or 5V (TTL Logic)
  • Preheat duration 20 seconds
  • Can be used as a Digital or analog sensor
  • The Sensitivity of Digital pin can be varied using the potentiometer

1

Vcc

Used to power the sensor, Generally the operating voltage is +5V.

2

Ground

Used to connect the module to system ground.

3

Digital Out

You can also use this sensor to get digital output from this pin, by setting a threshold value using the potentiometer.

4

Analog Out

This pin outputs 0-5V analog voltage based on the intensity of the gas.


  • Model: MQ-135

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