Discover how to create a wearable kinetic energy power bank in this hands-on DIY electronics project. Follow step-by-step ...

This article will show you a simple and inexpensive way to make your own portable power supply for microcontroller experiments and the like by hacking a mobile phone power bank. The proposed power ...

Despite their limited use for testing wall chargers and power banks, USB inline testers let you compare power sources. In three videos, we take you through their features, and we also try an inline ...