"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."
I'm thinking that the portability issue could surely be overcome with the Bluetooth and Wifi available on the newest Pi's...
On the sensor being used, it is a Nova PM sensor SDS011 High precision laser pm2.5 air quality detection sensor module for around $18. Particulate matter is fine dust or very small particles in the air. A distinction is made between PM10 and PM2.5: PM10 refers to particles that are smaller than 10µm; PM2.5 refers to particles that are smaller than 2.5µm. The smaller the particles—i.e., anything smaller than 2.5µm—the more dangerous they are to one's health, as they can penetrate into the alveoli and impact the respiratory system.
See opensource.com/article/19/3/mo… but don't miss the link from there to the original article.
#airquality #raspberrypi #airpollution
from Beiträge von Danie van der Merwe https://ift.tt/2Va9sCr
via IFTTT
I'm thinking that the portability issue could surely be overcome with the Bluetooth and Wifi available on the newest Pi's...
On the sensor being used, it is a Nova PM sensor SDS011 High precision laser pm2.5 air quality detection sensor module for around $18. Particulate matter is fine dust or very small particles in the air. A distinction is made between PM10 and PM2.5: PM10 refers to particles that are smaller than 10µm; PM2.5 refers to particles that are smaller than 2.5µm. The smaller the particles—i.e., anything smaller than 2.5µm—the more dangerous they are to one's health, as they can penetrate into the alveoli and impact the respiratory system.
See opensource.com/article/19/3/mo… but don't miss the link from there to the original article.
#airquality #raspberrypi #airpollution
from Beiträge von Danie van der Merwe https://ift.tt/2Va9sCr
via IFTTT
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