To know what happens when a device draws a certain amount of power from a USB port, we need an adjustable dummy load that lets us set the amount of power that it draws. The first version (v1.0) of my ...

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.

The Arduino Cable Tracer has been created using an Arduino Mega 2560 board with its IO pins connected to USB-A, USB-C, Micro-B, and Mini-B ports. Once a cable is attached the small device will ...