ニュース
This cute air quality monitor uses facial expressions to alert you if your air quality drops. Components needed to build include an esp32c3, OLED display, DHT22 sensor, and air quality sensor.
The tiny Pixel 2.0 is basically an Arduino board wedded to a tiny 1.5" 128x128 color OLED screen. This means you can stick it inside a wearable and ...
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