It is a device that measures CO2 levels, inside and outside temperatures, and humidity.
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Yes, you can use any microcontroller for co2 sensor
Well. I've seen some tests on the internet with this sensor and I think that it's not quite reliable as it reacts on other gases and components, so I decided to stick to infrared sensors.
I have another device that measures CO2, so compare readings. For now, I'm really satisfied how MH-Z19 works, but please try your project with MQ135. It would be interesting to see results and we can share our experience.
You're welcome) But in case you need the exact source of my UTFT library and fonts. This is it:
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