| Part | Value | Description |
|---|---|---|
| C1, C2 | 10nf @ 50V | Ceramic disc capacitor (0.01uf) |
| C3 | 330uf @ 16V Xicon 140-XAL16V330 |
Axial lead electrolytic capacitor |
| IC1 - IC4 | ULN2803A | NPN darlington array |
| IC5 | SN7400 | Quad 2-input NAND gate |
| IC6 | NS7406 | Hex inverter with HV open collector outputs |
| LED1 - LED28 | Kingbrite W1503ID | 5mm Red LED |
| R1 - R28 | 330 ohm @ 1/4 W | Resistor |
| R29 - R33 | 1K ohm @ 1/8 W | Resistor |
| S1 - S3 | E-Switch 100SP1T1B1M2RE |
SPDT ON-ON toggle switch |
| S4 | E-Switch 100SP2T2B1M2QE |
SPDT ON-ON momentary toggle switch |