This is a very comprehensive list of Commodore equipment. The list was started by Jim Brain and is now being maintained by Bo Zimmerman. If you can add information to this list you can send Bo a message.

RetroGameModz has made a video about the audio filter in the A1200. This video is a little troubleshooting guide on how to track down the problem in a case where the audio filter switching doesn't work as it should.

Jani collected information about diagnostic cartridges. You can find manuals, software and schematics for the C-64 Dead Test Kit, C-64 Diagnostic Assembly Kit, C-64 Diagnostic Rev 4.1.0, C-64 Diagnostic, C-128 Diagnostic, C-128 Diagnostic Assembly Kit, C-128 Diagnostic Rev 1.1 & 1.4 and C-128 DCR Integral Diag 1.0.

GLINK-LT is a modern clone of the Commodore VIC-1011A RS232 Userport adapter for Commodore 8-bit computers. The adapter supports 2400 Baud for BASIC and 9600 Baud for Novaterm and Striketerm. A reset button is also provided.

Adrian Kurek has modified his Commodore C64 to work on 12 VDC. This makes it possible to use a battery to power the C64. But this is not the only modification he made, he also added: SD2IEC, Mini LCD screen, Stereo SID with amplifier and speakers and JiffyDOS OS.

Geo Anas developed a monitor for the PLA inside a Commodore 64. This system shows which part of the C64 is selected by the PLA: VIC-II (Red), 6510 I/O (Blue), CharROM (Yellow), Kernal (Green), Basic (Yellow), CasRAM, Game and ExROM (White).

Ozgurbarka created the opening scene from Last Ninja 2 in LEGO. Last Ninja 2 was released by System 3 for the Commodore 64, ZX Spectrum and the Amstrad CPC in 1988. This was one of the most successful games for the Commodore 64 with beautiful game play, stunning detailed graphics and amazing music.

The SD-BOX is a cartridge for the Commodore C64 with an SD card interface. The cartridge has many functions for the disk drive and the Datassette. Recent updates: Manual in English. Improvements for the HEX preview. Error message when copying files and change device or directory. Improvement for the keyboard and joystick.

The SD-BOX MINI cartridge is designed for user that already own a SD2IEC. The features are: View the content of diskettes or the SD card. Copy files from diskette to cassette. Turbo Exos v3, menus and support for the joystick.

Edu Arana made an IECATA interface for the Commodore C64. This interface is based on the IECATA interface developed by Asbjørn Djupdal in 2002. Specifications: ATA hard drives up to 128GB. Supports standard kernel command, PRG, SEQ and sub directories.

The MEGA65 is an open-source version of the C65 computer. The FPGA is programmed by Paul Gardner-Stephen and the system is a complete 8-bit computer running around 50x faster than a C64. The features are: HD output, SD card support, Ethernet and more memory.

Gona updated his web page with technical information about Commodore monitors. This web page has information about: manufacturers, connectors, resolutions, introduction year and application. Recent updates: Commodore 1803, 1432V, 1432D, 1428 and 1428X.

Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make an 8-bit computer for the 21st century. In the last month he has been working on the problems with accessing the SD card and diskette emulation.

Michael started a project to make new keyboard keys for the C64. The new key-caps will be available in a variety of colours. The key-caps can be used on the C64, C64c, VIC20, C16 and some PET / CBM models. If you are interested you can support the project.

Demonstration video of the new keyboard keys for the C64.

Solo761 is working on a WIFI connected joystick. The system has two parts with each an ATMega 8 microcontroller and NR24L01 send and receive module. The receiver uses the power of the computer and the transmitter uses a USB connection for power.

A new company is creating a smartphone with the name Commodore. The smartphone will have the following specifications: Andriod OS, Dual SIM, 5" screen (1080 x 1920), 1.7 GHz Quadcore Cortex A15, 13 MPixel camera. Visit the Commodoresmart web page for more information.

Juan J. Martínez is developing a 8 bit computer with the help of an ATmega328 microcontroller from Atmel. The virtual CPU is an MOS 6502 that was used in the Commodore VIC20, Atari 400, BBC Acorn, Apple II, NES and many more computers. The features are: Composite video 256 x 192 pixels, 32 x 24 characters, PS/2 keyboard support, 64KB memory, integrated 6502 assembler / disassembler and Basic shell.

Fbsarts made a LEGO version of the Commodore Amiga 500 computer. This mini Amiga 500 is in scale, with all the stuff in the right place: keys, disk drive and ports. The 3.5" diskettes are available and you can open the top to check the motherboard.

C64 -LEGO

The Commodore Power Monitor is a device that checks the power supply of your VIC-20, C64, C128 or Plus4. The device gives a warning if the voltages from the external power supply are significantly out of range or contains a problematic ripple voltage.

Jani made an tutorial about building a cartridge for the Commodore C128. The C128 cartridge functionality is different than in the C64. The maximum size is 32K and it is possible to use an internal socket in addition to the cartridge port. A schematic for the cartridge is available.

Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make an 8-bit computer for the 21st century. In the last month he has been working on the problems with the use of DDR memory.

LogicDeLuxe combined Dolphin DOS and JiffyDOS to make a more user friendly combination of the two disk drive systems. You will now get all features of the Dolphin DOS kernal in combination with the JiffyDOS IEC bus speed routines.

Tomasz Nowak is developing a RS232 interface for the Commodore C64. The device will be connected to the user-port and the theoretical maximum speed will be 230400 bit/s. The device already supports the XModem protocol and Tomasz is working on support for RS485.

Jan Derogee has released a new version of the Cassiopei firmware. The changes are: A file filter so that a VIC-20 only sees files for the VIC-20. It is now possible to adapt the Cassiopei to a computer model without using the Cassiopei manager. And the manual has been updated.

A video with the new possibilities of the Cassiopei.

This USB adapter makes it possible to use USB HID devices on your Amiga. The Ryś MK II has been equipped with 3 modes of emulation: one for a mouse, one for a joystick and the last one for a pad. The mouse emulation has now 3 speed options. And the Ryś comes also with "Bootloader" function for future firmware upgrades. On the web page is a list of tested devices available.

Jorge Castillo developed the HR2 voice synthesizer for Commodore computers in the year 2011. Last year he developed the HR4 with better audio quality and a 1-channel noise and music generator. He is now developing the HR5 synthesizer, using a PIC 16F886.

More videos from Jorge with the voice synthesizer.

Dallas Moore did an incredible find at an old warehouse. He found the original production mouldings for the housing for the Commodore C64c at a business liquidation sale. He bought the steel mouldings, weighing about 5000 pounds, and he wants to use them to produce new plastic cases for the Commodore C64c.

Stefan Egger from the Computer Collection Vienna has added an Commodore Amiga 1000 Development System to his collection. The Amiga 1000 is from early 1985 and is a little bit different from the later production models. The Amiga has only 128k RAM, and the chips have different names or codes. Stefan has made many high resolution photos of this special Amiga 1000.

Timo Voutilainen made an MP3 player that can be controlled by the Commodore C64. The components of the MP3 player are a Funduino Pro Mini, Geeetech VS1053 MP3 board and a user-port connector. All the instructions to built the device are on Timo's web page.

Tore Waldow made a Commodore C64 cartridge case with his 3D printer. The measurements are taken from The Final Cartridge III. This version is updated with embossed lines and room for a label. The files are available for the top part and for the bottom part in smooth or embossed.

With the Jakadapter you can connect two Atari-style joysticks to USB. This new version has the following changes: Both ports have now 8 configurable pins, for better support for other joysticks and paddles. The firmware is upgradeable via a boot-loader for future firmware updates.

The Raspberry Pi SID player is a device which allows you to play music from the Commodore 64 computer using original audio hardware (SID) and the Raspberry Pi. You can play classic game music or home-brew Commodore 64 music.

VIC-20 Scott Adams adventure games have the option to connect a Votrax type 'n talk speech synthesizer. A rare and expensive device, but now it is also possible to use your smartphone to make the famous adventure games talk. Jan Derogee made an app to make this possible.

The Bluetooth speech synthesis video.

UK1541 is a real time disk drive emulator developed by Krzysztof Switajskiwith. Features: cycle-exact 6502 and VIA's emulation. Cortex M0, 48Mhz microprocessor, 16kB Flash ROM, 4kB Ram, SD card (8GB), LCD TFT Screen and compatible with .d64 files (35 / 40 track).

Sébastien Marchand made a portable Amiga A1200 including a monitor, power supply and speakers inside a aluminium briefcase. The A1200 also has a Blizzard 1260, a SCSI-kit and a 8 GB CF card. You can view the pictures of this special A1200 on his Flickr page.

Dirk Grappendorf created a laptop based on a MOS 6502 processor. The features are: 6502 processor, 6522 VIA's, SID, 32 kByte RAM, 32 kByte EEPROM, battery, 4 line / 40 character LCD screen, modified USB keyboard, BASIC interpreter and a 3D printed case.

Stian Søreng has developed the C64FC Flash cartridge for the Commodore C64. The cartridge will emulate a 8 kByte EPROM, but you can program the cartridge from your PC. In the last month he has developed an SID jukebox and is working on a GUI for the C64FC. You can read all the details on his blog.

Plipbox is an device that allows to connect Amiga's via Ethernet to your local network. The device uses a an Arduino and connects to the parallel port. Changes in this version: Fast burst protocol with a maximum speed of 235 KiB/s, improved firmware and driver code, and a new test modes to allow detailed benchmarking of all system components.

For the Princess C64SD v3.0 is new firmware available. The changes in this version are: Improvements for the VICE VIC emulation, and reading tapes with the VIC PAL. And there is a new XF5 option to avoid problems with VICE dumps.

Scott Lawrence made a portable KIM computer. For this KIM-1 he used an old plastic case he picked-up on a hamfest and a display from a surplus store. The computer inside is a Arduino Uno R3 micro board and a Seeed Studio protoshield. You can follow the whole process on his blog.

A new replacement for an external floppy drive for all Amiga computers is being developed by Roman Breński, Jarosław Bieliński and Radosław Kujawa. The features are: Fully compatible with 880kB DD Amiga diskettes. Reads and writes NDOS diskettes. And a new disk drive mechanism.

Retro Invaders made a calendar for 2015. The calendar is available in the languages: English, German, Italian, Spanish, Dutch, French and Hawaiian. The games are: Nanako in Classic Japanese Monster, Psycho Soldier, Turbo Girl, Barbarian II, Game Over, Elvira II, Mega-Corp, Athena, Phantis, Mystery, Gauntlet and Gothik.

Stian Søreng has a working version of his C64FC Flash cartridge for the Commodore C64. The cartridge will emulate a 8 kByte EPROM, but you can program the cartridge from your PC. The C64FC has a ATmega16 micro controller for the USB communication and a IDT7005 RAM chip for the emulation of the 8 kByte EPROM.

MultiMax is the ultimate cartridge for the Commodore MAX Machine. It contains all 24 games that were released by Commodore for this machine. The cartridge has a power-on menu and a reset button. The cartridge is also compatible with the C64, C64c, SX64 and the C128. The software was created by Rob Clarke and Michał Pleban developed the hardware.

MIST is an configurable device that's able to emulate the entire hardware of the computers of the 80's and early 90's. A Commodore VIC20 core is now available for the MIST with support for the PAL VIC20 with 3 or 16 kByte RAM memory.

No More Secrets is a documents that describes the so called 'illegal' op-codes for the NMOS 6510 microprocessor. The document is maintained by Groepaz and gives you information on op-codes such as: RLA, LAX, ANC, ARR, TAS and many more.

RetroGameModz made a video about the adjusting the CD-32 to read CD-R discs. In the video you can see: The disassembly. Identification of parts. Explanation of the signal paths. Schematics & block diagrams. The servo system. And the adjustment of FEG, TEG, FEB, TEB and laser power.

For the Princess C64SD v3.0 is new firmware available. The changes in this version are: Improved compatibility with Oceanloader C64 tapes. Better immunity when playing back tapes that have not been normalized. Added some small changes to improve usability when dumping a .TAP file back to cassette.

Paul Gardner-Stephen is working on a FPGA version of the Commodore C65. His goal is to make an 8-bit computer for the 21st century. In the last month he has been working on a RAM upgrade from 16 MByte to 128 MByte and a test with a LCD screen.

Steve Gray is working on a new project. In 1983 Commodore wanted to sell a CBM-II BX-256-80 / BX-700 machine, but it never happened. Now Steve want to built one himself. The specifications are: CBM-II 710 computer, 8250LP disk drives, 8088 co-processor board and a few extras.