Bad air condition due to bad convection conditions/Špatný stav vzduchu v důsledku špatných konvekčních podmínek
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Pollutants.eu upozorňuje, že noda v okolí stanice Belogorskaja (pollutag_node_001) registruje špatný stav ovzduší kvůli vysoké koncentraci ultrajemných částic. Senzor SEN54 Sensirion.
Even if is some 50% inaccuracy due to relatively high humidity.

pollutag_node_001: installed, air monitoring started
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pollutag_node_001 node heroically passed all the crush tests :) and have been installed finally successfully. Monitoring parameters are: Temperature, Humidity, PM1, PM2.5, PM10, VOC index (SEN54 sensor from Sensirion in use). It is completely charged its batteries by solar panel and MPPT and working stable. Soon the data from the node will be available on pollutants.eu
Modul pollutag_node_001 hrdinně prošel všemi crush testy :) a byl nakonec úspěšně nainstalován. Sledované parametry jsou: Teplota, vlhkost, PM1, PM2,5, PM10, index VOC (používá se senzor SEN54 od společnosti Sensirion). Kompletně nabíjí své baterie pomocí solárního panelu a MPPT a pracuje stabilně. Data z uzlu budou brzy k dispozici na webu pollutants.eu.
Third proto (on SEN54 sensor) in test second day: till now fly is quite good, even crush test passed :)
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It is a new LoRaWAN (Helium) node isolated and prepared to be installed outdoor. Monitor: particulate matter, temperature, humidity, VOC: based on new SEN54 sensor from Sensirion.
Features:
1. Sleep current: 1.2mA;
2. Transfer period 160 sec.
3. Measuring PM1, PM2.5, PM10, Humidity, Temperature, VOC index (period 30 min.)
4. Solar powered, 3200mAh battery (run from charged battery only up to 2 weeks), MPPT
5. Water protected, ready to be installed
Git: https://github.com/WeSpeakEnglish/pollutag_node.git

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