I created a portable soldering station using a USB-powered mini iron and a 3D printed case to go around an off-the-shelf soldering iron stand.

How to build a wireless audio Bluetooth adapter using the BC127 development board.

In this tutorial, we are going to build our own LED ring for photography using an RGBW LED ring, a small Arduino-compatible board, and a potentiometer to make a cool and adjustable LED ring light.