# MQ135 Sensor Air Quality Sensor NH3, NOx, Alcohol, Smoke and CO2

**SKU:** SER00469
**Brand:** Sonstige
**Price:** 4,50 EUR
**Availability:** in stock
**URL:** https://electronics.semaf.at/MQ135-Sensor-Air-Quality-Sensor-NH3-NOx-Alcohol-Smoke-and-CO2

## Specifications

| Attribute | Value |
|---|---|
| Weight (kg) | 0.1 |

MQ135 is sensitive air quality sensor that detects NH3, NOx, Alcohol, Benzene, Smoke and CO2. The heater Voltage is 5V and 31 ohm (40mA consumption). The board has digital and analog output.

## Description

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.

**Features**

- 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

**Datasheet**

- [Arduino Sketch](https://github.com/empierre/arduino/blob/master/AirQuality-MQ135.ino)
- [Datasheet](https://electronics.semaf.at/datasheets/MQ-135.pdf)