When it comes to LED matrixes, building one is just the first step. Then you have to decide what to display on it. [panjanek] ...

The USB-PD Programmable Power Supply (PPS) was implemented with USB PD3.0. With PPS, devices can gradually adjust the current ...

It’s always nice to see new developments in the world of electronic badges, and while there are events and badge teams ...

A compact Arduino-based system that reads ambient light levels using an LDR sensor, displays the measured illuminance (in lux) on a 16×2 LCD, and provides a color-coded visual indicator via an RGB LED ...