Examine This Report on hydrabus
An USB isolator allows get rid of floor loops and reduces electromagnetic interference (EMI) amongst the pc as well as the related device.1x GND 3V3 (P2 with two pins 2.54mm) connector can be utilized to ability externally the WCH CH569 MCU (it is recommended to get rid of the P4/SHUNT in that circumstance It isn't obligatory given that the 3V3 LDO