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Commodore MMC2IEC ver2
Conti Nov 09,2018
### DESCRIPTIONCommodore MMC2IEC### TECHNICAL DETAILS / COMPONENTSIC1 = Atmega644 (ATMEGA 644-20 PU)C3 = 100 nF (X7R-2,5 100N)R1, R2, R3 = ohm 3K3 (1 / 4W 3.3K)R4, R5, R6 = ohm 1K8 (1 / 4W 1 , 8K)alimentazione:IC2 = 3.0 a reg olatore 3.3V (LP 2950 CZ3,0)C4 = 2U2 a 4U7 tantalio / ELKO (TANTAL 2,2 / 16)opzionale:R7, R8 = 5 60 ohm (1 / 4W 560)LED1 = verde (LED 3MM GN)LED2 = Rosso (LED 3MM RT)opzionale:C1, C2 = 22 pF a 33pFQ1 = 8 MHz quarzoOptional:2 pulsanti per DiskChange1 e DiskC hange 22 interru...
commodore c64 c128
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Commodore 64 Power Saver (Revision E)
Lunde Nov 08,2018
Why do you need a Power Saver for the Commodore 64? Basically, Commodore intended the computer to live for a maximum of 5-6 years and so the components chosen reflected this view - no thought went into considering what happens past this point. Now that it's 30 years later we know that the 5v regulator has a tendency to short out input and output voltage, meaning that those sensitive 5v chips will intermittenly, or sometimes even permanently, end up getting something like two or three times that....
Retro-computing Commodore 64 vintage-computing
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nano SwinSIDb [2015-05-27]
SukkoPera Oct 24,2018
### DESCRIPTIONSwinSID is a microcontroller based clone of the SID, the audio chip used in nearly all 8-bit Commodore computers in the 80's, and later in some chiptune synths like SIDStation.This board was designed by Tolaemon, based on previous work by Swinkel.### TECHNICAL DETAILS / COMPONENTS These are the nano SwinSIDb components:Resistors:  all 0805 SMD, R1: 1K, R2: 240K, R3: 1K, R4: 2K2, R5: 4K7Capacitor: 0805 SMD, 1206 SMD, or throug-hole,  C: 100nMicrocontroller: 32 pin...
retrocomputing retrogaming synthesizer
5399
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JiffyDOS without switch
Kubat Oct 12,2018
### DESCRIPTIONJiffyDOS without switch for Commodore 64### TECHNICAL DETAILS / COMPONENTS1 x 74HC741 x 27C256### LEARN / TOPIC / BUILD INSTRUCTIONSJiffyDOS is started by default. If you press down the RESTORE-key during power-up/reset then the original Basic starts.You need to remove the original ROM and solder socket DIL28.Put JiffyDOS to DIL28 socket and solder Reset (red wire) and Restore (white wire) to R3 pin and +.
JiffyDOS Commodore 64
7385
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Commodore 64 Lumafix (Revision A)
Lunde Oct 06,2018
### DESCRIPTIONBased on Lumafix64 by e5frog over at the lemon64.com forums, this is a somewhat simplified version that should be easier to solder together for beginners with access to a reasonably functional set of soldering tools. Gone are the slightly confusing surface mount options that's mostly only suitable for those with more advanced skills.For those not familiar with the Lumafix board, this is a board that attempts to minimize the amount of vertical banding that to some extent occurrs on...
Commodore 64 Lumafix Retro-computing
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Commodore 64 Pi1541
Lunde Oct 03,2018
### DESCRIPTIONThe Commodore 64 was central to many a young boys childhood, especially those older than 30! Still, the community around the computer is alive and vibrant with both ideas and new solutions for using the old computer. The old 5.25" floppies we used with them on the other hand are nearing their expected lifespan, they simply were not meant to live this long so in order to keep loading our software and even back the old disks up to newer solutions were needed.First came the SD2IEC, a...
Commodore 64 Retro-computing 1541 disk drive
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JAKADAPTER - Dual Atari joystick USB adapter
jaka Sep 24,2018
This adapter allows to connect two Atari style joysticks, paddles, or Sega Megadrive / Genesis gamepads to USB. Adapter is seen as standard USB HID device, so it is directly supported in all major operating systems (Windows, Linux, MacOX) and it works in all major emulators, e.g. VICE, Stella, WinUAE, CCS64 etc.More information on how to build the adapter is available in project web page http://kair.us/projects/jakadapter/index.html
joystick usb commodore
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Lumafix64
Kubat Sep 23,2018
### DESCRIPTIONLumafix64### TECHNICAL DETAILS / COMPONENTS### LEARN / TOPIC / BUILD INSTRUCTIONS
Commodore C64 Lumafix64
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Black Box8 C64 cartridge
Kubat Sep 23,2018
### DESCRIPTIONCartridge Black Box V8 Commodore 64ATTENTION !!! Cut the path as in the picture and use CD4001 instead of 74HCT02. Do not use 74HCT02!File to upload to 27C256 and 27C512https://www.dropbox.com/s/spg32la7j0aj2lk/BLACKBOXV8.ZIP?dl=0
Black Box Cartridge C64
4649
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OpenC64Saver V4
SukkoPera Sep 17,2018
OpenC64Saver is an Open Hardware implementation of the Computer Saver device developed by Ray Carlsen, mainly targeted at Commodore 64 users.It is designed to protect your Commodore 64 from killer power supplies.For more information, please visit: github.com/SukkoPera/OpenC64Saver.
2nd PCB design Contest protection power supply
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