| R1, R4 | 2 | 2.2K 1/4W Resistor |
| R2, R3 | 2 | 4.7K 1/4W Resistor |
| R5 | 1 | 1K 1/4W Resistor |
| R6 | 1 | 1.5K 1/4W Resistor |
| R7 | 1 | 33K 1/4W Resistor |
| R8 | 1 | 10K 1/4W Resistor |
| C1,C2 | 2 | 0.1uF Ceramic Disc Capacitor |
| C3 | 1 | 470uF 25V Electrolytic Capcitor |
| D1 | 1 | 1N914 Diode |
| D2 | 1 | 1N4004 Diode |
| D3 | 1 | 12V 400mW Zener Diode |
| Q1, Q2, Q4 | 3 | BC547 NPN Transistor |
| Q3 | 1 | |
