Probing Embedded USB Bus Designs TECHNICAL BRIEF Probing Embedded USB Bus Designs Annie Lu Applications Engineer LeCroy Protocol Solutions Group W hen recording data traffic between USB 2. Solder the D+ (green) and D- (white) wires to devices on a PCB that does have the corresponding bus trace on the PCB. external connectors, you may need to Also solder the red (+5V) and black (ground) build your o……