Ref - Elfa no. - C1 - - 100nF Capacitor 3.8 x 2.6 x 2.5mm D1,D2 - 300-92-928 - 1N4148 or BAT42 Schottky Diodes or similar R1-R4 - 160-95-467 - 22k Resistors Throughhole Axial L6.4 x D2.5 x P7.62mm J5 - 300-24-527 - Pin Header Straight 2x2 pins 2.54mm pitch J5 - 300-24-524 - Pin Header Straight 2x3 pins 2.54mm pitch SW1 - 135-39-684 - DIP switch 5 way. W7.62mm slide U1 - - 27128, 27256 or 27512 EPROM DIP-28 W15.24mm 2x Jumpers: Elfadistrelec: 300-24-773 Versa64Cart PCB online bom created by sajattack: https://octopart.com/bom-tool/bEfXBXH2