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Remove broken links from Serial Particulate Matter integration page (#18893)

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Franck Nijhof 2021-08-12 10:39:49 +02:00 committed by GitHub
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source/_integrations/serial_pm.markdown
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@ -10,9 +10,9 @@ ha_platforms:
- sensor - sensor
--- ---
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/). Particulate matter sensors measure the amount of very small particles in the air.
Cheap LED based sensors usually use a GPIO interface that is hard to attach to computers. 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 a USB to serial converter](https://www.open-homeautomation.com/2016/07/20/connecting-an-particulate-matter-sensor-to-your-pc-or-mac/). Cheap LED based sensors usually use a GPIO interface that is hard to attach to computers. 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 a USB to serial converter.
## Supported Sensors ## Supported Sensors