| 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...
| 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...
| 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...