Prometheus Assembly USB - nmschulte/rusefi GitHub Wiki 3 USB block (a) - driver & isolation: Component List: PCB Top Side: (b) - minimal circuitry & protection: Component List: PCB Top Side: PCB Bottom Side: (c) - USB connector: Component List: PCB Top Side: Now check if USB works by connecting to your PC! ⚠️ **GitHub.com Fallback** ⚠️