Quantity   Component name
1 × 82С55 Programmable Parallel Interface
1 × 82C54 Programmable Interval Timer
2 × TLC7258C 2-channel DAC with latch <a target="_blank" rel="noopener noreferrer" href="https://www.ti.com/lit/ds/symlink/tlc7528.pdf">https://www.ti.com/lit/ds/symlink/tlc7528.pdf</a>
1 × K6X4008C1F <a target="_blank" rel="noopener noreferrer" href="https://datasheet.ciiva.com/26786/k6x4008c1f-bf55-26786555.pdf">https://datasheet.ciiva.com/26786/k6x4008c1f-bf55-26786555.pdf</a>