A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...
The command to convert a single image is pixelgreat: usage: pixelgreat [-h] -i IMAGE_IN -o IMAGE_OUT -s PIXEL_SIZE [-os OUTPUT_SCALE] [-t SCREEN_TYPE] [-d DIRECTION ...
XDA Developers on MSN
This awesome live map of the Washington Metro makes for a cool Raspberry Pi project
Framed Washington Metro map uses Raspberry Pi Pico W and WMATA departure API to light 144 LEDs live. Laser-cut matboard masks 144 LEDs; data refreshes so you can see every train's position from home.
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