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C64 Magic Desk Cartridge
OANA Oct 21,2026
An open-source hardware clone of the Magic Desk cartridge format for the Commodore 64. Supports both 27C512 (64KB) and 29F040 (512KB) EPROMs/EEPROMs, with bank switching handled by a classic 74LS273 + 74LS02 glue logic combination.This board is designed to be built with through-hole components and DIP sockets, making it easy to assemble, reprogram, and experiment with.Any other instructions, BOM, EPROM contents or schematics you can find on github.
Commodore DIY Retro
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C64 SUPER ZAXXON GAME CARTRIDGE PCB
M. Oct 16,2026
C64 SUPER ZAXXON GAME CARTRIDGE PCBCOMMODORE 64 SUPER ZAXXON GAME CARTRIDGE PCBHello,This is a tested and working circuit board.This PCB is designed for making a Commodore 64 Super Zaxxon game cartridge.Super Zaxxon was released for the Commodore 64 by HESware.This C64 cartridge is based on the C64 Magic Desk cartridge, modified to run a single autostarting game/program (.prg extension) on the Commodore 64. There is a 64KB EPROM (27C512) on the cartridge.There are different versions of this game...
C64 Retro Commodore
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C64 THE GREAT GIANA SISTERS GAME CARTRIDGE PCB
M. Oct 16,2026
C64 THE GREAT GIANA SISTERS GAME CARTRIDGE PCBCOMMODORE 64 THE GREAT GIANA SISTERS GAME CARTRIDGE PCBHello,This is a tested and working circuit board.This PCB is designed for making a Commodore 64 The Great Giana Sisters game cartridge.https://en.wikipedia.org/wiki/The_Great_Giana_SistersThis C64 cartridge is based on the C64 Magic Desk cartridge, modified to run a single autostarting game/program (.prg extension) on the Commodore 64. There is a 64KB EPROM (27C512) on the cartridge.There are dif...
Commodore C64 Retro
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C64 Sound Digitizer 64'er 1986
M. Sep 23,2026
Speech-Basic – Commodore 64 Speech & Sound Digitizer PCBThis PCB is designed for the Commodore 64 Speech-Basic sound digitizer. It allows the C64 to record and digitally reproduce speech, music, and other audio signals.The circuit provides a simple and low-cost interface for digitizing external audio and playing it back through the Commodore 64. The recorded sounds can be used directly or controlled from BASIC programs, making it possible to create sound effects and applications involving re...
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Disk Demon 2026 Rework Rev 4 C64 - 1541
Edwards Aug 19,2026
A couple of years ago I rediscovered my old Commodore 64 setup from the 1980s.While I was getting it all working again, I noticed that one of the disk drives contained a board with words 'Disk Demon' written on one of the ICs. I was curious to find out more about it.....It turns out that Disk Demon was a version of Professional DOS. At the time, Disk Demon/Professional DOS claimed to be the fasted floppy disk accelerator for the Commodore 64 in the world !It was released and sold in the UK by Da...
Commodore Retro Parallel
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Kung Fu Flash 2 USB-C (Rev. 2)
Leber Aug 15,2026
Kung Fu Flash 2 Module with USB-C connectorSee https://github.com/JuergenLeber/KungFuFlash2-USBCThanks go out to Kim Jorgensen for the original design https://codeberg.org/KimJorgensen/KungFuFlash2 and to Fedor Zagumennov for the USB-C version https://github.com/Sgw32/KungFuFlash2-USBCA nice case can be found here: https://www.printables.com/model/119330-kung-fu-flash-cartridge-case
Commodore Retro Cartridge
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Commodore 64 Expansion Breakout
Jun 17,2026
A port fromhttps://github.com/hackup/C64ExpansionBreakoutfor easier accessabilityThis is an adapter board for the expansion port of the Commodore 64. It connects the expansion port to a standard 830 pin prototyping breadboard to assist with the development of modules or cartridges. 
Commodore 64 C64 C64 breadboard
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C64 User port Breakout
Jun 17,2026
A port for easier accessibility from:https://github.com/hackup/C64UserBreakouthis is a combined prototyping and breakout PCB for the user port of the Commodore 64. It connects the user port to a standard 830 pin prototyping breadboard to assist with the development of modules or cartridges. In addition, it features a perfboard area that can be used for simple prototypes. 
Commodore 64 c64 commodore
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C64 cartridge breakout board (cartridge prototype board)
Jun 15,2026
This is a prototype board for the C64 cartridge expansion port to build prototypes, or RAM and ROM extensions.The original project can be found:https://github.com/FrankBuss/c64-cart-proto
Development Board commodore 64 c64
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9 PIN ATARI/COMMODORE GAME CONTROLLER to 15 PIN PC CONTROLLER CONVERTER
C64iSTANBUL Apr 03,2026
9 PIN ATARI/COMMODORE GAME CONTROLLER to 15 PIN PC CONTROLLER CONVERTER  Hello,  This is a tested and working PCB.  This PCB is for Converting the 9 Pin Commodore/Atari style joystiks to 15 pin PC joysticks.  9 PIN ATARI to 15 PIN PC GAME CONTROLLER CONVERTER is an easy DIY project, all components are through hole, marked on the PCB, easy to solder, easy to make ;)You can download Calibration and Test software from the bottom of this page (MS-DOS version)....
9 PIN GAME CONTROLLER to 15 PIN PC CONVERTER PC joystick converter 9 pin to 15 pin joystick converter
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