How to build a mobile particulate matter sensor with a Raspberry Pi #piday #raspberrypi @Raspberry_Pi
Via Opensource.com:
About a year ago, I wrote about measuring air quality using a Raspberry Pi and a cheap sensor. We’ve been using this project in our school and privately for a few years now. However, it has one disadvantage: It is not portable because it depends on a WLAN network or a wired network connection to work. You can’t even access the sensor’s measurements if the Raspberry Pi and the smartphone or computer are not on the same network.
To overcome this limitation, we added a small screen to the Raspberry Pi so we can read the values directly from the device. Here’s how we set up and configured a screen for our mobile fine particulate matter sensor.
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