We all have our favorite tech accessories which help us organize our lives better. If you are looking for something new and really useful, consider buying USB LED lights, since they are cheap and can ...

A typical USB LED bulb shown in Fig. 1 is a 5V, 5W USB-powered solid-state lamp. At the heart of this light bulb is a circular aluminium PCB made with a bunch of 5730 SMD super-bright LEDs. Typical ...

This article introduces an emergency LED light circuit, based on the SOT23-6 MP3202 chip, than can be powered through USB Type-C interface. Nowadays, LED technology is vastly emerged and LED-based ...