This item is archived from our catalog and no longer for sale. This page is available as a reference only.
Waveshare Benzene/Alcohol/Smoke Gas Sensor (MQ-135)
Overview
- Sensitive for benzene, alcohol, smoke
- Output voltage boosts along with the concentration of the measured gases increases
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
Specifications
- Power: 2.5V ~ 5.0V
- Dimension: 40.0mm * 21.0mm
- Mounting holes size: 2.0mm
Applications
- Air quality monitor
How to Use
In the case of working with a MCU:
- VCC ↔ 2.5V ~ 5.0V
- GND ↔ power supply ground
- AOUT ↔ MCU.IO (analog output)
- DOUT ↔ MCU.IO (digital output)
Photos
Downloads
Development resources: demo codes, schematic, datasheets, etc.
Wiki: www.waveshare.com/wiki/MQ-135_Gas_Sensor
Selection Guide
| Part Number | Sensitive Gas | Application |
|---|---|---|
| MQ-135 Gas Sensor | benzene, alcohol, smoke | Air quality monitor |
| MQ-2 Gas Sensor | LPG, propane, hydrogen | Gas leakage detector |
| MQ-3 Gas Sensor | alcohol, ethanol | Car alcohol alarm, breathalyser |
| MQ-5 Gas Sensor | LPG, natural gas, coal gas | Gas leakage detector |
| MQ-7 Gas Sensor | carbon monoxide | Carbon monoxide monitor |
Package Content:
-
Weight: 0.011 kg
- MQ-135 Gas Sensor × 1
- 4-pin custom connector jumper wire × 1
