| Item | Part type | Description |
| PCB | ||
| U1 | 6847 | Video Display Generator |
| U2,17,18 | 74LS86 | XOR gates |
| U3,5 | 74LS90 | Counter |
| U4,12,14,15,16,19 | 74LS00 | NAND gates |
| U6 | 74LS163 | Counter |
| U7,20 | 74LS74 | D-type bistable |
| U8 | 74LS92 | |
| U9,10,11 | LM319 | Analogue comparators |
| U13 | 74LS02 | |
| U21 | 74LS04 | |
| U22 | ||
| D1- | 1N4148 | Diodes |
| Q1,2,5,6,7,9 | 2N3906 | PNP Transistors |
| Q3,4,8,10 | 2N3904 | NPN Transistors |
And many other resistors / capacitors.