All items tagged with USB and Circuits & Circuit Design (3)

1-08-2024 | In the EU and California, USB-C power adapters are now mandatory for cell phones and many other portable devices. So if you need some power...

1-01-2010 | Herwe use a green glowing valve as a CPU activity meter. Power and control are both provided by the USB port. A simpler variant on the circu...

1-02-2009 | Curve tracers have been a staple in Elektor since 1979. This practical project from 2009 measures and records characteristic curves of NPN/P...