EVERYTHING ABOUT HYDRABUS

An USB isolator allows get rid of floor loops and reduces electromagnetic interference (EMI) amongst the computer along with the related unit.1x GND 3V3 (P2 with 2 pins two.54mm) connector can be used to electrical power externally the WCH CH569 MCU (it is usually recommended to remove the P4/SHUNT in that scenario It is far from mandatory because