Prometheus Assembly Power Supply - nmschulte/rusefi GitHub Wiki 1 Power supply block (a) - regulator circuits: Component List: PCB Top Side: (b) - minimal circuitry: Component List: PCB Top Side: (c) - feedback: Component List: PCB Top Side: (d) - electrolytic capacitors & protection (observe the polarity!): Component List: PCB Top Side: PCB Bottom Side: Now check voltages: +5В, +3.3В! ⚠️ **GitHub.com Fallback** ⚠️