| Part Number | Description |
| 1N4004 | Silicon Rectifier Diode |
| 1N4735A | Zener Diode |
| LM317 | Adjustable Voltage Regulator |
| 741 | General Purpose Op Amp |
| 1458 | Dual Op Amp |
| 2N3904 | NPN Transistor |
| 2N5457 | N-Channel JFET Transistor |
| PNZ0150 | Phototransistor |
| LM311 | Voltage Comparator |
| 555 | Timer |
| 74LS76A | Dual JK Flip Flop |
| 74192 | Up/Down Counter |