| Resistors |
| R1 | Resistor 4.7 KOhm 1/4 Watt 5% Carbon Film |  |
| R2 | 100 KOhms potentiometer |
| R3 | Resistor 1.5 KOhm 1/4 Watt 5% Carbon Film | |
| R4 | Resistor 47 KOhm 1/4 Watt 5% Carbon Film | |
| R5 | Resistor 220 Ohm 1/4 Watt 5% Carbon Film | |
| R6 | Resistor 100 KOhm 1/4 Watt 5% Carbon Film | |
| R7 | Resistor 10 KOhm 1/4 Watt 5% Carbon Film | |
| R8 | Resistor 1 KOhm 1/4 Watt 5% Carbon Film | |
|
| Capacitors |
| C1 | 1 uF 16 Volts electrolytic capacitor |
| C2 | 47 uF 16 Volts electrolytic capacitor |
|
| Integrated Circuits |
| IC1 | LM741 Operational Amplifier |  |
|
| Transistors |
| T1 | BC547 Switching and Applications NPN Epitaxial Transistor | |
| T2 | BC327 Switching and Amplifier Applications PNP Epitaxial Silicon Transistor |
|
