COVIDCO2 - AUTO (3D printed)
cults3d
CO2, temperature and humidity measuring device with LED matrix display and CO2 level indicator "vumeter" bar. Incorporates fan for air recirculation. Its small dimensions (180 mm x 60 mm x 25 mm) make it ideal for use anywhere: shared work car. office. classroom. Powered by USB 5 Volt. and consumes less than 500 mA, being useful to be powered from PC, battery, etc.. ** LIST OF COMPONENTS ** You can buy the components on aliexpress: MH-Z19B --> Lot 2 units https://es.aliexpress.com/item/1005001865093513.html (terminal version - 0-5000 ppm) DHT22 --> https://es.aliexpress.com/item/32759901711.html Led matrix --> https://es.aliexpress.com/item/32834030893.html Led Strip --> https://es.aliexpress.com/item/2036819167.html (WS2812BECO White PCB + 1m 60 IP30) Programmed controller --> www.covidco2.es (ask for price - about 10€) Fan --> https://www.amazon.es/gp/product/B06WRWCZBQ/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&th=1 All information about the device can be found on the website http://covidco2.es/ where the commercial version is presented.
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