In-Stock PCBs Unified DaughterBoard C3 version pcb-opensource-db-c3 €14.76 Unified Daughterboard C3 version (USB-C). This small PCB allows the decoupling of the USB-C port from the rest of the keyboard PCB. This Unified Daughterboard C3 features:ESD (Electrostatic Discharge) protection on the data lines of the USB connector through a specialised chip; Overcurrent protection through a PTC fuse; Overvoltage protection through a... Add to cart