The ESP8266 microcontroller is a favorite among makers for creating affordable, Wi-Fi-enabled sensor projects. Pairing it with a DHT22 temperature and humidity sensor is one of the easiest ways to get ...

LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...

Keeping plants alive is easy if you’re diligent and never forget to check on your green friends. However, a little electronic ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...