I think I've seen both eg the more typical 5 pin on most Cameras MP3 players etc and then the 4 pin that comes on the Pentax Optio S4 for example.

Sure, countless microcontroller development boards featuring a USB connection have made it to the Projects and Tutorials pages of Electroschematics. Although these days it really is easy to build your ...

The USB specification introduced a simple and inexpensive infrastructure for easily connecting multiple external peripherals to a PC. That was several years ago; today, more than 500 million ...