First of all, I would like to give a thumbs up. This development board is very well designed:1. In terms of USB, it has two MIni B-type USB 5pin interfaces (female), one is used as an OTG interface, t
"20-bit voltage source circuit for high-precision applications" video introduction [media=x,500,375]http://videos.analog.com/video/chinese/1853907223001/20/[/media]