Progress with another of my projects is steady but very slow, nevertheless I reached a point where I think I can publish what I want and where I am going.
Having a weather station makes one look at the atmosphere but also at what is IN the atmosphere. Especially where I live where smog conditions may occur, where chemical industry is not too far away and where farming of chicken, pigs and cows sometime creates unbearable breathing conditions (and no, that is not healthy outside agricultural air).
When I once called the environmental service, about (agricultural) industrial air pollution, they were unwilling to take the complaint and told me to jump in the car and look for the factory causing the pollution (yes, they did).
So, as a result I decided to make an environmental station beside the weather station. Progress is slow, buying stuff in China, corona, life and other things. But anyway... I wanted to use the RPi and program in C# to keep the development environment not too different. This made it difficult to select a library but finally I got somewhere: I now use RapberrySharp (which will soon become obsolete for another IoT library (with the same author cooperating).
The photo's show the basic setup: an SHT31 (i2c) and a PMS1003 particle sensor (serial) on breakout boards and the breadboard configuration.
The output is Cumulus-like in ascii as you can see: date/time, temperature, humidity, PM1, PM2.5, PM10 (standard particle) and PM1, PM2.5, PM10 (atmospheric).
Now looking for measuring analog gas sensors (which the RPi does not do standard) and an independent cheap outside solar power supply. All to be bought in China I assume, though some parts come from England, USA and the Netherlands. Probably all made in China
Don't expect follow-up soon
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Latest Cumulus MX V4 release 4.0.0 (build 4022) - 11 May 2024
Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
Air quality station
- HansR
- Posts: 6021
- Joined: Sat 20 Oct 2012 6:53 am
- Weather Station: GW1100 (WS80/WH40)
- Operating System: Raspberry OS/Bookworm
- Location: Wagenborgen (NL)
- Contact:
Air quality station
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Last edited by HansR on Mon 24 Aug 2020 9:37 am, edited 1 time in total.
Hans
https://meteo-wagenborgen.nl
CMX build 4017+ ● RPi 3B+ ● Raspbian Linux 6.1.21-v7+ armv7l ● dotnet 8.0.3
https://meteo-wagenborgen.nl
CMX build 4017+ ● RPi 3B+ ● Raspbian Linux 6.1.21-v7+ armv7l ● dotnet 8.0.3
- rogerthn
- Posts: 528
- Joined: Thu 11 Apr 2013 6:31 pm
- Weather Station: Ecowitt GW1000/GW1003
- Operating System: Raspberry Pi OS bullseye aarch64
- Location: Trollhättan Sweden
- Contact:
Re: Air quality station
Inspiring
- ConligWX
- Posts: 1652
- Joined: Mon 19 May 2014 10:45 pm
- Weather Station: Davis vPro2+ w/DFARS + AirLink
- Operating System: Ubuntu 24.04 LTS
- Location: Bangor, NI
- Contact:
Re: Air quality station
nice. did you go for the BME280 or the BME680 (VOC sensor too)
Regards Simon
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
https://www.conligwx.org - @conligwx
Davis Vantage Pro2 Plus with Daytime FARS • WeatherLink Live • Davis AirLink • PurpleAir • CumulusMX v4.0.0
- HansR
- Posts: 6021
- Joined: Sat 20 Oct 2012 6:53 am
- Weather Station: GW1100 (WS80/WH40)
- Operating System: Raspberry OS/Bookworm
- Location: Wagenborgen (NL)
- Contact:
Re: Air quality station
No I did not. So many sensors.... any reason why these two (apart from the i2c interface)?
And for the gas sensors I'll probably settle for a selection of the MQ series as they are more specific (VOC is not specific enough).
Hans
https://meteo-wagenborgen.nl
CMX build 4017+ ● RPi 3B+ ● Raspbian Linux 6.1.21-v7+ armv7l ● dotnet 8.0.3
https://meteo-wagenborgen.nl
CMX build 4017+ ● RPi 3B+ ● Raspbian Linux 6.1.21-v7+ armv7l ● dotnet 8.0.3