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1541 RAMBOard][ / DolphinDOS2
Witkowiak May 05,2024
This is a recreation of CLD RAMBoard aimed at 1541-II drive with important change: 24K(32K) ROM support. It can be also configured to switch between two banks of 24K(32K) ROMs out of 64K ROM chip or one of four 16K banks.It supports the following software:DolphinDOS2 using much fewer components than original circuitsoftware that needs extra 8K of RAM, such as Maverickpatches for CBM DOS / JiffyDOS / SpeedDOS use extra ROM space to implement faster GCR decoding procedures from 1571...
Commodore Hardware Retro
1107
4
6
Multi-Speeder for the Commodore 1541 floppy disk drive I and II
Eggen May 04,2024
My multi-speeder project for the Commodore 1541 floppy disk drive consists of an expansion board that is placed between the 6502 CPU. The board extends the working memory of the 1541 by 32 KB and provides 8x 64 KB banks for DOS operating systems on the 1541. The expansion board can be operated in the two versions 1541-I and 1541-II. I have also designed a version for the Oceanic OC-168 clone (on request). The original CBM-DOS 2.6, DolphinDos 2.0, SpeedDos 2.7 +, SpeedDos Expert, JiffyDOS and S-J...
Commodore Hardware Retro
1275
0
5
Amiga 1200 Keyboard for MX switches
Eberbach Apr 29,2024
I was an Amiga user back in the day... had a 1000, then a 2500 (then sadly the demands of work required DOS...). When I got an Amiga again everything was great except for the keyboard. I must have been lucky with the detachable keyboard on the A2500 but the one on the A1200 was terrible, pure mush!So I made this. It's a keyboard for the A1200 that can use any MX-compatible keys you like, though I recommend that you pick 5-pin ones designed for PCB mount if you can. I have built them with Gateron...
Keyboard Amiga Mechanical Keyboard
2583
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8
Commodore PC10 III PCB Reproduction - 312628-REV-6C
Apr 23,2024
of the Commodore PC10 III PCB - 312628-REV-6C
Commodore
1559
1
2
Commodore PC10 III PCB Reproduction - 312628-REV-5.7A
Apr 23,2024
Reproduction of the Commodore PC10 III PCB 312628-REV-5.7A
Commodore
799
0
1
Commodore 64 adapter Audio Video Out S-Video
Salis Apr 22,2024
simple PCB to connect your Commodore C64 to a TV equipped with RCA-Audio and S-Video input.The resistor I use is 330Ohm but a lower resistor could also be fine.I also inserted two holes in the center of the PCB to be able to attach it to a small box that I will make soon.
Commodore DIY 64
922
0
7
SoundBox Speaker Project
Arnov sharma Apr 17,2024
Hi everyone, happy to be back!Enjoy something loud! The Sound Box Project is a Bluetooth speaker made completely from scratch using a custom PCB and 3D printed parts.The goal was to put together a powerful Bluetooth sound system for my desk to replace the sound speaker project I had previously made.https://www.hackster.io/Arnov_Sharma_makes/3d-printed-boombox-b3bbb1Here, we are using a 12V 5.2A battery source in conjunction with two powerful 15W speakers and a ZK-TB21 audio module.In a...
3D printing SLA Audio
1354
0
0
C64 SID Adapter
REcreated Apr 16,2024
C64 SID Adapter allows you to use SID 8580 in place of SID 6581 which is normally not possible due to different voltages used by these chips.Warning! Adapter does not allow using SID 6581 in place of SID 8580! Doing so will permanently damage the chip!C64 SID Adapter by RetroBox is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.DisclaimerThe author is not responsible and cannot be held liable for any damages caused by the use or misuse of this...
Commodore Retro C64
1020
3
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MagicDesk-like External ROM cartridge for C128
Witkowiak Apr 14,2024
MagicDesk-like External ROM cartridge for C128PROJECT PAGEKiCad project files and schematic: https://github.com/ytmytm/c128-magicdesk-external-romDESCRIPTIONThis a clone of MagicDesk 512k modified to work in C128 mode and map 32K of ROM at a time.The main difference to C64 version is that this cartridge is meant for C128, so /EXROM signal is no longer connected to prevent from entering C64 mode automatically.Two diodes and a pullup resistor perform AND function on /ROML and /ROMH to map 32K at a...
Commodore Hardware Retro
681
2
2
Commodore 64 VIC-II CPU adapter / riser for S-Video bypass DIY modulators
Csere Apr 09,2024
This VIC-II riser is exporting the necessary Chroma / Luma signals for bypassing the video signal directly to new modulator panels.With bypassing the motherboard, the video signal for S-Video or CVBS will be crystal sharp without any necessity of the lumafix solution. Please, refer for RetroChannel -designed RF modulator replacements for the C64. I suggest to build this adapter with the 90 degrees 2.54mm pin header variant to reduce the height of the wiring under the keyboard. You can use standa...
Commodore Retro C64
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