All Resistor 21 Potentiometer 3 Capacitor (C) 27 Aluminum Cap 2 Diode (D) 6 Power Diode 1 Transistor 3 Mosfet 1 Integrated Circuit (IC) 4 IC Analog 1 IC Digital 1 Connector 1 Socket 1 Switch 1 Fuse 1 Heat Sink 1 ? MYSTERY 1