Hi, At last night's Tuesday meet up a chap came along looking for help with an atmospheric monitoring project. Doc O talked to him about helping with his project and got contact information. The chap was worried about the possible fall out from the incinerator planned for Torry.
I have been looking up some of the technical stuff he mentioned and thought I might share what I found out with you.... Hackaday article = hackaday.com/2017/04/08/getting-a-measure-on-particulates-in-stuttgart/ ....which has a link to the Google translated.... Stuttgart University project web page = http://luftdaten.info/feinstaubsensor-bauen/ The project involves building monitors consisting of:- Sensor = SDS011 > senses atmospheric particle concentrations using laser scattering > data sheet = SDS011_laser_PM2.5_sensor-specification-V1.3.pdf > includes a small fan to suck in samples >??outputs concentration of particles 2.5 and 10 micron as serial data?? > available at Aliexpress.com 2pc for £27.88 or 10 pc for £136.23 WiFi + CPU module = NodeMCU ESP8266, CPU WLAN > data sheet = > https://cdn-shop.adafruit.com/datasheets/ESP8266_Specifications_English.pdf > firmware from Stuttgart University > transmits data to Stuttgart University via WiFi and web connection - ?data > can be recovered from their web site? > available from lots of suppliers for about £2 each Battery ?? - I've not seen a power source in the documents so far - may have to read more carefully. Weatherproof Housing = 2 x 75mm push fit waste pipe M-F elbows > I don't think we have that size in the UK Other stuff... > a WiFi module needs an accessible router/tethered phone/etc nearby > there are Arduino libraries for the sensor - might log to SD card? - could > make a mobile unit?? (could pick up the data using a WiFi SD card?) > would someone in Aberdeen be interested in hosting the data instead of > Stuttgart?? See you next week, Mike.
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