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Keyestudio EASY Plug MQ-135 Air Quality Sensor Gas Detection Module for Arduino STEAM

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  • Description
  • Reviews(53)

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This module should be used together with easy-plug control board, the link to the control board is as follows:



MQ135 adopts SnO2 as its gas sensitive material because SnO2 has low electrical conductivity in the clean air. So when surrounded by polluted air, the electrical conductivity of MQ135 will increase with the increase of pollutants, and the change in electrical conductivity can be converted to corresponding output signal.  

MQ135 has a high sensitivity to Ammonia, sulfide, benzene vapor, smoke and other harmful gases. It can detect various harmful gases, making it a cost-effective choice suitable for multiple applications.


Interface: Easy plug

Product model: MQ135

Product type: Semiconductor gas sensor

Target gas: Ammonia; methylbenzene; hydrogen

Standard circuit: Loop voltage  Vc ≤24V  DC

Heater voltage: VH 5.0V±0.2V AC or DC

Load resistance: Adjustable RL

Connect It Up

Connect the EASY Plug MQ135 sensor to control board using an RJ11 cable. Then connect the control board to your PC with a USB cable.



Average rating: 4.0 based on 53 reviews
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