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Documentation for serial particulate matter sensors #765

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Documentation for serial particulate matter sensors #765

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43 changes: 43 additions & 0 deletions source/_components/sensor.serial_pm.markdown
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---
layout: page
title: "Particulate matter sensors"
description: "Instructions on how to integrate particulate matter (dust) sensors with Home Assistant."
date: 2016-08-11 12:00
sidebar: true
comments: false
sharing: true
footer: true
logo:
ha_category: DIY
ha_release: 0.26
---

Particulate matter sensors measure the amount of very small particles in the air. A short introduction how these sensors work can be found on [Open Home Automation](https://www.open-homeautomation.com/2016/07/19/measuring-air-quality/).

Cheap LED based sensors usually use a GPIO interface that is hard to your with PCs. However, there are a lot of laser-LED based sensors on the market that use a serial interface and can be [connected to your Home Assistant system easily with an USB to serial converter](https://www.open-homeautomation.com/2016/07/20/connecting-an-particulate-matter-sensor-to-your-pc-or-mac/).

```yaml
sensor:
platform: serial_pm
serial_device: /dev/tty.SLAB_USBtoUART
name: Nova
brand: novafitness,sds011
```

- **platform** (*Required*): serial_pm
- **serial_device** (*Required*): The serial port to use. On *nix systems, it can often be identified by "ls /dev/tty*"
- **name** (*Optional*): The name displayed
- **brand** (*Required*): Manufacturer and type of the sensor.

###Supported sensors

At this time, the following sensors are supported:

* oneair,s3
* novafitness,sds021
* novafitness,sds011
* plantower,pms1003
* plantower,pms5003
* plantower,pms7003
* plantower,pms2003
* plantower,pms3003