NOT KNOWN FACTS ABOUT HYDRABUS

An USB isolator assists do away with ground loops and lowers electromagnetic interference (EMI) between the computer plus the connected product.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 as the 3V3 LDO I