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A WiFi environmental sensor based on Tasmota that reports temperature, air pressure, air quality, humidity and CO2 (ppm).
It features the following sensors:
The DS18B20 is featured on the PCB because the temperature sensor of the BME 280 / BME 680 is very sensitive - simply holding your finger above it may cause incorrect readings. The DS18B20 is reasonably accurate, cheap and known in the DIY community, so it was a simple addition to get reliable temperature readings.
Either a BME 280 or a BME 680 is supported by the PCB. This was only added because I had a BME 680 lying around, so why not use it - the BME 280 is cheaper and due to the MH-Z19B the air quality reading is pretty obsolete, so in general I recommend installing a BME 280.
The PCB has an internal cutout to avoid transferring heat from the D1 Mini to the temperature-reading components on the other side.
The software intended to be run on the device is Tasmota. A preconfigured template will be added later.
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