DIY 3.3V USB breakout board, LVTTL and LVCMOS compatible

Nowdays 3.3V logic level is gaining popularity, almost every every new microcontrollers are working on 3.3 volt. The worst part is some of them are not tolerant to input voltage above 3.6 volt, while USB is 5 volt. So if you connect a such microcontrollers to USB directly, probabbly it’s gone ! Here how you can make […]