Hello,This is an Easy DIY project, all components are through hole, marked on the PCB, Easy to solder, Easy to make ;)This tactile button keyboard is a mini DIY C64 keyboard.This PCB works as a real Commodore 64 Keyboard.You can use this faceplate PCB for C64 USB KEYBOARDhttps://www.pcbway.com/project/shareproject/COMMODORE_64_KEYBOARD_FACEPLATE_FOR_TACTILE_BUTTON_KEYBOARD_PROJECTS_e0a4cbf4.htmlMany thanks to artist Cem Tezcan (Blockmind) for his patience and contribution to working together.COMPONENTS:65pcs. 6x6x7mm 4-pin through hole tactile buttons (7mm when using 1.6mm faceplate PCB)3mm Red LED470ohm - 1K 1/4watt RESISTANCE (value changes LEDs brightness)Single row right angle male header 2.54mm pitch (20 pin), (Optional)6pcs. screws and nuts. Fixing screw holes 3mm in diameter. (If using faceplate PCB)Gerber files can be changed at any time. Before paying for the PCBs, be sure to update your orders!Use this PCB at your own risk !Have funThank you.