An USB isolator assists eradicate floor loops and minimizes electromagnetic interference (EMI) amongst the computer as well as connected product. 1x GND 3V3 (P2 with two pins two.54mm) connector can be utilized to electric power externally the WCH CH569 MCU (it is recommended to get rid of the P4/SHUNT in https://arthurz516ias2.blog4youth.com/profile