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 ...

With just an Arduino board, a DHT11 sensor, and an I2C LCD, you can create a simple yet effective weather station at home. This beginner-friendly project displays real-time temperature and humidity ...

Many HVAC systems in North America operate off 24V systems, which can be readily upgraded with off-the-shelf  smart ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

Nature is a riot of color. In the animal kingdom, many species, from insects to cephalopods, use their permanent color or ...

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...