Quantity   Component name
1 × Z80A CPU
1 × KM28C64-25 8k parallel EEPROM
1 × CY7C199-35PC 32k SRAM Memory ICs / Static RAM (SRAM)
1 × Z80A-PIO
1 × 555 timer
1 × 74139 2-to-4 line decoder
1 × 74138 3-to-8 line decoder
9 × Toggle switch
2 × push-button
1 × un-padded protoboard
2 × padded protoboard