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 ...

When you have access to your own CNC machine, you tend to make stuff first and ask questions later. That sounds like how [Rui Cabral] came up with a weather station stuffed into a miniature arcade ...

I have written a few other articles about the new Raspberry Pi (RPi) Zero 2 W. In my first, I provided an overview of its construction and cost, as well as some of its use-cases. In another, I ...