Friday Sales  Days (-10%)     22-30.11.2023

20.11.2023 - Version 4: uAX64/Max, uLightBox64, uEliteBoard64 and uHeld64

All these boards were updated to version 4 with minor improvements

20.11.2023 - u2600+8 "FANTASY" Installation service

For less tech-savvy users, it is now possible to use a service for this purpose

19.11.2023 - u2600+8 "FANTASY" (READY+)

The u2600+8 "FANTASY" console is now also available as a fully soldered version

18.11.2023 - u2600+8 "FANTASY" console

The new u2600+8 "FANTASY" console boards are now available to order in various forms

05.11.2023 - ONLINE USB DATA/EPROM Writer

Added download button for combined EPROM data, as well as 8K, 32K and 64K hint if not correct EPROM file size

17.10.2023 - New 8-Bit Systems at UNI64

8-bit System Names made clickable in menu, for introduction of new 8-bit systems at UNI64

12.10.2023 - uLightBox64

Info-Document updated (Remote Keyboard)

09.10.2023 - ONLINE USB DATA/EPROM Writer

Fixed Online-Tool Transimssion bug for ProMicro

25.09.2023 - uAX64 SoftSwitch Firmware

Hex-File updated (Downloadfile was out of date)

19.09.2023 - uEliteBoard64

ATTiny84 changed from 1Mhz to 8Mhz, Info Document updated (Stripe-Fix, first start)

17.09.2023 - SYSTest64

Pro Micro Firmware: RAM Error Text

16.09.2023 - SYSTest64

ROM Fix: RAM Error Crash, Kernel ROM Checksum

11.09.2023 - Mobile Devices Navigation

Better navigation through clickable submenus

31.08.2023 - uAX64 Mini - RGB LED Card

Switched to PICO from Teensy 3.5

28.08.2023 - ONLINE USB DATA/EPROM Writer

Product image updated

28.07.2023 - uSTARTCard64

Firmware updated (fixed some bugs, new .sid Player Routine)

24.07.2023 - ONLINE / USB DATA Writer (READY+)

USB EPROM Writer renamed and can now program ATTiny84A and Pro Micro .hex Firmware

18.07.2023 - uLightBox64 Computer

Firmware updated and extra firmware created (more LEDs in SID mode)

09.07.2023 - uAX64 + uAX64 Mini FLEX Gold + uLightBox64 Computer Boards

BOM lists updated to the latest version

08.07.2023 - UNI64 Shop

Problems with the email server fixed, which occurred for 6 months

07.07.2023 - UNI64 Shop

Updated Background Code

30.06.2023 - SUB-D To USB Gamepad Adapter

New board "SUB-D To USB Gamepad Adapter" added

29.06.2023 - uAX64 Soft Power Switch Board

ATTiny84A EFuses brown-out bytes optimized for switching on the uAX64

20.06.2023 - Soundcard for uAX64

A new soundcard version is available

19.06.2023 - Soundkarte for uAX64 Mini FLEX Gold

The Soundcard as "Gold" version is now also available for purchase separately

16.06.2023 - uAX64 Mini FLEX Gold v2

A limited uAX64 Mini Flex Gold circuit board set is available

14.06.2023 - uHeld64 - Info Document

On page 8: Note on conversion to 6581 or DIGI-Fix

13.06.2023 - uSTAR64 (READY+)

The uSTAR64 computer is now also available as a ready soldered version

13.06.2023 - 5" IPS Display

A 5" IPS display can now also be ordered

09.06.2023 - Server (Email) Error

Errors with the Email Server solved

06.06.2023 - C64 Chip Set

Added info document for IC placement

05.06.2023 - UNI64 USB EPROM Writer

The new UNI64 USB EPROM Writer is available

02.06.2023 - uAX64 / uAX64 Max

Info Document updated, stackable boards

19.05.2023 - FM OPL2 Board (READY+) for uLightBox64

Added FM OPL2 Board for uLightBox64

18.05.2023 - u251715+64 MMU (READY+)

The u251715+64 MMU (READY+) Replica is available for preorder

17.05.2023 - uLightBox64 v3 (+READY)

Added the new uLightBox64 v3 (+READY) to the presentation page

17.05.2023 - Midi Board (READY+) for uLightBox64

Added Midi Board for uLightBox64

14.05.2023 - uLightBox64 v3 (+READY)

The new uLightBox64 v3 (+READY) is now available for order

09.05.2023 - Remote BT/USB Keyboard Adapter and uAX64 Remote BT/USB CARD

New Board-Revision with Bluetooth Pairing Button

09.05.2023 - Firmware: Remote BT/USB Keyboard Adapter and uAX64 Remote BT/USB CARD

New firmware fixes problems with some USB devices and allows USB Hub, as well as error notes added to the info document

07.05.2023 - uHeld64 v4 (+READY) / IPS Display

The new uHeld64 v4 (+READY) is now available for order

04.05.2023 - uAX64 Midi Card (+READY) / Teensy 4.1

From now on the Midi Card for the uAX64 is available for order now incl. Teensy 4.1

03.05.2023 - uSID64 (+READY)

The uSID64 (+READY) could be reduced from the price

24.04.2023 - uSTAR64 Computer

After one year of development, the uSTAR64 Computer-Board is finally available

11.04.2023 - Main site for

New main site created for

25.03.2023 - u251715+64 MMU Replica

MMU Replica for the 250469 C64 board added

24.03.2023 - 2nd SID Board

Board available in new version 1.1

21.03.2023 - uSID64 (READY+) Replica

The new uSID64 can now also be ordered as a ready-to-plug-in SID

07.03.2023 - YouTuber Promotion

There is a promotion option for YouTubers in the shopping cart

22.02.2023 - Teensy Development Boards

Teensy Development Boards have been added to the UNI64 Webshop

18.02.2023 - Ready uAX64 Cards

Ready uAX64 Cards available for order added

16.02.2023 - Ready Computer Boards

More ready computer boards are available for order

10.02.2023 - uEliteBoard64 v3 - Ready soldered board

Now you can order the uEliteBoard64 v3 as a ready soldered board

23.01.2023 - UNI64 Restart

UNI64 restart preparations underway, new UNI64 logo created

22.01.2023 - VIC-II DOT Noise PRG

VIC-II DOT Noise PRG updated

22.01.2023 - uEliteBoard64 Informations (PDF)

Note for the VIC-II DOT Noise Potentiometer and W27C512 EPROM (Basic/Kernel)

21.01.2023 - uEliteBoard64

BOM list updated

19.01.2023 - SYSTest64

OLED size hint added (128x64 Pixel, 0.96 inch), BOM list updated

19.01.2023 - uAX64 OPL Card

BOM List updated

17.12.2022 - uEliteBoard/uBook64/uMax v3

Info Document and BOM files updated

12.12.2022 - VIDEO / AUDIO Routing Box

New version with new features

26.11.2022 - uAX64/uAX64 Max v3

New versions with new features

21.11.2022 - UNI64 Webshop

Minor optimizations

15.11.2022 - UNI64 Webshop

Small Bugfixes and shopping cart time extended to 24h

14.11.2022 - UNI64 Webshop

For future features in the last 3 weeks the webshop was reprogrammed from scratch

04.09.2022 - uAX64 Mini 1-D Pong Game

1-D Pong Game PRG to the uAX64 Mini RGB LED Card added

23.08.2022 - uSID64 Info Document updated

Document adapted to Rev.2

02.08.2022 - uSID64 Firmware

Firmware updated (v0.956, Envelope Bug)

30.07.2022 - uSID64 Firmware

Firmware updated (v0.955)

29.07.2022 - uSID64

Info Document updated

29.07.2022 - uAX64 ADV Slots Board

Info Document created 

29.07.2022 - Info Documents updated

uHeld64 v3 / uBook64 v3 / 2nd SID Socket Adapter 

26.07.2022 - uSID64 Firmware

Firmware updated (v0.954)

25.07.2022 - uSID64 Info Document

Info document created for the uSDI64

24.07.2022 - uSID64 Firmware

Firmware updated (v0.953)

23.07.2022 - uSID64 Firmware

Firmware updated, Hardware Rev2 created

22.07.2022 - 2nd SID Socket Adapter

2nd SID Socket Adapter added

21.07.2022 - 41464 DRAM ICs

41464 DRAM ICs added under components

20.07.2022 - uHeld64 Gameboy Pocket DPAD Set

Added Gameboy Pocket DPAD Set Link to the "Components Infos" Web-Page

20.07.2022 - uHeld64 Info Dokument

Added new image for DPAD assembly (page 21)

14.07.2022 - uHeld64 New Version 1.5

New Version 1.5 released

13.07.2022 - uHeld64 Info Document

Added new point 3.6 Fix audio problems

13.07.2022 - MA8505 II (uHeld64)

The IC MA8505 II added to the products that can be ordered

08.07.2022 - Remote BT/USB Keyboard Adapter

Firmware and Informations-Document updated

08.07.2022 - Remote Keyboard Adapter

Firmware and Informations-Document updated

29.06.2022 - Components Infos

Components Infos updated

27.06.2022 - uSID64

New Replica SID

27.06.2022 - uSTARTCart64

Some improvements

24.06.2022 - External Pi1541 Drive Boards

Performance improved (1K Resistor between Pin 14 (5V) and Pin 13 of 74LS06)

14.06.2022 - uHeld64

Info Document updated (Micro Switch height, Page 11)

11.06.2022 - uSTARTCart64 

Firmware updated ("Special Button" added in the Info Document, Directory Fix, Directory Refresh: long press "Special button")

04.06.2022 - uSTARTCart64

Firmware updated (SID Player updated, faster loading of big directory lists, tape load optimized)

01.06.2022 - Remote BT/USB Keyboard Adapter

Firmware and Info Document updated (New: Key Mapping)

31.05.2022 - SYSTest64 Info Dokument 

Info document extended by the item "OLED Display", which explains a new function

30.05.2022 - Remote BT/USB Keyboard Adapter

Firmware and Info Document updated (Pairing, VBUS conversion to 5V)

28.05.2022 - SYSTest64 ROM + Firmware

ROM and Firmware updated (error display on OLED and optimizations).

26.05.2022 - SYSTest64 Firmware

Firmware updated ("MAIN CHIPS" Test, "R/W : BAD (RAM?)" RAM note for R/W added, as well as for "MAIN CHIPS" test "ONCE" is waited for button at the end)

25.05.2022 - uAX64 ADV SLOTs / uAX64 Expansionsport Expander / uAX64 Expansions Port

Boards revised resp. new added

25.05.2022 - Remote BT/USB Keyboard Boards with USB Host Mini Board

Firmware updated (SHIFT Bug fixed), Key Assignment-Info inside product info added

24.05.2022 - uLightbox64/RGB LED Card

Info-Document, Firmware and RGB LED Config Tool updated (adjustable LED Count)

23.05.2022 - uAX64 Card Slot Bracket

Slot Bracket for uAX64 Cards updated

22.05.2022 - uAX64 Card Slot Bracket

Slot Bracket for uAX64 Cards added

20.05.2022 - uSTARTCart64

Firmware updated

20.05.2022 - uAX64 2MB RAM Card Test

RAM Test Tool added

17.05.2022 - Components Infos

New Site "Components Infos" added

17.05.2022 - uLightBox64 + uAX64 Mini RGB LED Card

Firmware updated (Startup LED Light Test)

16.05.2022 - uAX64 Info-Document

uAX64 Info-Document updated (PS/2, USB, BT options)

14.05.2022 - Dot Noise Remove Board

Dot Noise Remove Board for VIC-II 856x chips added

12.05.2022 - SYSTest64

Info Document updated

09.05.2022 - Remote Keyboard Adapter

Firmware updated (faster Matrix Array Init)

07.05.2022 - SYSTest64

ROM updated (Peripherals-Test: Mouse movement)

02.05.2022 - Port-Switch64

Info-Document and Firmware updated

26.04.2022 - uSTARTCart64

3D Printable Case (STL, GCODE) added

25.04.2022 - SYSTest64 ROM

PLA test routine improved (40 years old bug fixed)

24.04.2022 - SYSTest64

Firmware: Fixed "RAM BANKS" Test bug (no result) 

23.04.2022 - uAX64 3D Printable Low Profile Slot Bracket

3D Printable Low Profile Slot Bracket (STL, GCODE) added

16.04.2022 - SSD Interface Info Documents

SSD Interface Info Documents updated

15.04.2022 - SYSTest64

SYSTest64 ROM updated

13.04.2022 - Port-Switch64

4 Port C64 peripheral switcher added

12.04.2022 - S-Video Modulator for old C64 Boards

S-Video Modulator for old C64 Boards added

08.04.2022 - uLightBox64 2.0

The new uLightBox64 2.0 was released

06.04.2022 - uSTARTCart64 firmware updated

During a game the "Pause" button (Special) can now be pressed

03.04.2022 - uEmbedded64 - Midi SID FM Synthesizer Board

Midi SID FM Synthesizer Board and Display Board added

29.03.2022 - uSTARTCart64

Tape Load fixed

27.03.2022 - uSTARTCart64

Epyx FastLoad Modul support added

26.03.2022 - Pi1541 3A+

config.txt fixed

26.03.2022 - BOM Files

Updated some BOM Files

26.03.2022 - uSTARTCart64 Firmware

uSTARTCart64 Firmware updated

23.03.2022 - 74154 Bridge Adapter (SID)

74154 Bridge Adapter added

21.03.2022 - uSTARTCart64 Firmware

uSTARTCart64 Firmware updated

03.03.2022 - uAX64 Sampler Card 64

The long awaited Sampler Card 64 for the uAX64 Computer is available

01.03.2022 - uAX64/Max Info Document

Updated Info Document for uAX64/Max (Page 16)

01.03.2022 - uSTARTCart64 Firmware

uSTARTCart64 Firmware updated (Magic Desk [PRG->CRT], Super Zaxxon, Ocean, Tape Loader, Timing)

25.02.2022 - uAX64 SSD Card

Added uAX64 SSD Card

11.02.2022 - uLightBox64 Keyboard BT/USB Remote Board

Added new uLightBox64 Keyboard BT/USB Remote Board

11.02.2022 - uAX64 Remote BT/USB Keyboard Card

Added new uAX64 Remote BT/USB Keyboard Card

09.02.2022 - Remote BT/USB Keyboard Adapter

New firmware with USB Keyboard support updated, name of the board renamed (BT/USB)

01.02.2022 - uSTARTCart64

Informations updated

31.01.2022 - Remote BT Keyboard Adapter

New Remote BT Keyboard Adapter for normal Bluetooth Keyboard added

18.01.2022 - uEmbedded64

The new world of 8bit electronics control, uEmbedded64 added.

17.01.2022 - uSTARTCart64

Cartridge uSTARTCart64 added

13.01.2022 - uAX64 Userport/Tapeport Board (internal userport)

The new version has an internal userport connector (for an internal 1541 with parallel cable)

12.01.2022 - uAX64 MAX (Release Candidate)

uAX64 MAX with 7 slots and left placed eprom added

12.01.2022 - uAX64 Video/Audio/Serial Board (PS/2) + Remote Keyboard Adapter

New: PS/2 socket on the right, pins to connect with the new Remote Keyboard Adapter

11.01.2022 - Name changes for the Computer Boards

The computer board names have been adjusted for the upcoming Universe64 launch (Gaming Names)

07.01.2022 - HDMI Keyboard Adapter

HDMI Keyboard Adapter added

07.01.2022 - uAX64 Remote Keyboard Card

uAX64 Remote Keyboard Card added

02.01.2022 - uAX64 Soft Power Switch

New version of the Soft Power Switch board available

02.01.2022 - Arduino source code for boards

For some boards not only the firmware but now also the source code is included in the download

More will follow as soon as there is time to prepare the code for release.

02.01.2022 - uAX64 Mini - Keyboard Remote USB/BT Card

PS2 socket added

01.01.2022 - 2ndSID Board

2ndSID Board added

30.12.2021 - Expansions Card Extension

Expansions Card Extension added

23.12.2021 - uLightBox64 FM OPL2 and Keyboard Remote Board

For uLightBox64 FM OPL2 and Keyboard Remote Board added

22.12.2021 - uAX64 Info Document revised

Illustration renewed and revised regarding current uAX64 board revision

21.12.2021 - uAX64 Info Document updated

Added information about the Expansion Port Expander

20.12.2021 - uAX64 RAM Card

2MB RAM Card added

18.12.2021 - 1541 Transfer Board

1541 Transfer Board updated

17.12.2021 - uAX64 Mini FM OPL2 Soundcard and uEliteBoard64 FM OPL2 HAT

FM OPL2 Boards for uAX64 Mini and uEliteBoard64 added

16.12.2021 - uAX64 FM OPL2 Soundcard and uAX64 Midi Card

FM OPL2 Card and Midi Card added

29.10.2021 - Code Injection Firmware

The firmware for the Code Injection boards has been optimised

28.10.2021 - Schematic for uBook64, uEliteBoard64 and uLaser64

The schematics of the respective first version have been available for some time, but now also here on the pages

24.10.2021 - uAX64 TAPE Adapter

A TAPE adapter is now available for the internal expansion of the uAX64 board.

21.10.2021 - Code Injection Package

The Code Injection Package was extended by a Windows Transfer App

20.10.2021 - New category "Music"

As of today, the new vinyl LP "BETA" can be pre-ordered

17.10.2021 - uAX64 Info Document updated

Added information about the stackable boards and the used socket connectors

17.10.2021 - C64 troubleshooting document created

On all "Computer" pages under "Data" the new document is available

15.09.2021 - uLaser64 BOM/Reichelt Lists

Updated the BOM/Reichelt lists

11.09.2021 - Info Documents

Some info documents have been updated

10.09.2021 - uAX64 Developer Card

From now on there is a Developer Card for the uAX64 for your own test boards

07.09.2021 - Components and Components Set

From now on there are "Components" and a "C64 Basement Components Set" available.

30.08.2021 - SYSTest64+OLED ProMicro Firmware and ROM updated

Kernel, Basic, Char ROMs recognition integrated, as well as RAM BANK BAD X indication on the OLED display

29.08.2021 - New products in the category "Options" (Board-Color and Board-Surface)

There are now the products "Board Color" and "Board Surface" which can be ordered additionally

27.08.2021 - Code Injection Package Download updated

In "Infos_Code_Injection.txt" lines for writing the fuses added

25.08.2021 - SYSTest64+OLED

The info document and Pro Micro firmware + ROM are now available

03.08.2021 - Some information documents

Some information documents have been revised/updated

22.06.2021 - "1541 Transfer" Board

Added 1541 Transfer Board

21.06.2021 - New Board: "Kernel Switch Adapter"

Added Kernel Switch Adapter Board

19.06.2021 - RGB LED Config Tool (PRG)

New "RGB LED Config Tool" for Tube64 und RGB-LED Card

18.06.2021 - Remote Keyboard Adapter, Bluetooth 64 Keyboard, 64 Macro Keyboard Informations (PDF)

Info Document created, new Features for the Firmwares, also new Android Keyboard App

06.06.2021 - uAX64 Board Informations (PDF)

The uAX64 Info Document has been revised (Soft-Power Board)

04.06.2021 - uEliteBoard64 V2 

There is a new uLeiteBoard64 V2 with numerous optimizations available

04.05.2021 - uBook64 V2

A new uBook64 V2 Board with numerous optimizations is available

03.05.2021 - uAX64: Info-Document revised

VIC II and Stripe-Fix info added

26.04.2021 - uEliteBoard64 New "Restore Kernel Switch" Firmwares

Now there are 2 firmwares, one for an AT28C256 and one for a W27C512

25.04.2021 - Keyboard Remote Adpater Firmware Update

Fixed a problem with the cursor keys

17.04.2021 - Keyboard Remote Adpater Firmware Update

Fixed some small problems

16.04.2021 - Keyboard Remote Adpater, Bluetooth64 Keyboard, Macro Keyboard - Firmware Updates

For all three boards there is a new firmware, which brings small improvements

15.04.2021 - Keyboard Remote Adpater Firmware Update

Adapted to old C64 boards (black screen at boot)

10.04.2021 - uHeld64 ATTiny84A Firmwares

The ATTiny84A firmwares for DPAD and Analog Stick under "Files" added

01.03.2021 - Info Document for uHeld64 

Info Document for the final uHeld64 Version is available. In addition, all lists were renewed

17.02.2021 - Info Document for uAX64

Info Document for the uAX64 board is available

08.02.2021 - Information about the picture quality

In the information documents of almost all computer boards there are now two screenshots (each S-VIDEO) available with which you can compare your own C64 picture.

01.02.2021 - Remote Keyboard Adapter / Remote Keyboard Card - Firmware Update

A new firmware is available, in which the Restore key (hold) has been corrected.

28.01.2021 - uLightBox64 Beta 2 Notes

Information for Beta 2 is now available, and can be found on the uLightBox64 Release page, below under "Beta 1/2".

23.01.2021 - MIDI Monitor

A new version of the Midi Monitor is available. Since some system cartridges collide with the midi interface, and the midi interface must be activated later, there is now a wait routine that waits for the SPACE key to activate the midi interface.

21.01.2021 - SID Comparison Board

There is now a SID Comparison Board available, as well as a SID Comparison Card for the uAX64 Mini, which allows you to compare up to 3 different SIDs live.

19.01.2021 - uAX64 Beta Prototype available for pre-order

My new uAX64 board is now available for pre-order

19.01.2021 - S-ZAX Board (for Super Zaxxon)

My new S-ZAX Board (for Super Zaxxon) is now available under "Modules

13.01.2021 - uLightBox64 Firmware Beta 1 and Informations

The firmware for the Beta 1 boards has been updated, and some hints about LED control have been added.

The new C64 RGB light standard "C64LIGHT" is now introduced in the uLightBox64 Information document

06.01.2021 - English Patreon Site

Until now, my Patreon account and my posts were only available in German, because Patreon itself does not allow multilingual pages, which already some users complained about. Therefore I decided to offer an extra Patreon page in English, because most people in the world don't speak German, but English :-) =>

Everyone can choose a free financial support amount, or a Service Level. I have translated last week's posts to the new Patreon page. Normally I will post a few posts per day, or a post every 3-4 days.

22.12.2020 - uLightBox64 information updated

I have updated the uLightBox64 information document, and added more information about the build structure.

19.12.2020 - uHeld64 information updated

I have updated the uHeld64 information document, and added more information about the build structure.

18.12.2020 - Many board pages updated

Starting with the uLightBox64, over the uPC Mini, up to the uEliteBoard64 some small things were updated.

12.12.2020 - The new "uLightBox64" (Beta) can be pre-ordered

If you would like to experiment with the new uLightBox64 before the release, you are cordially invited to do so :-)

12.12.2020 - uAX64 Mini / 470 Ohm 0.5W resistor

In the lists of the uAX64 Mini (BOM/Reichelt) a normal or no 470 Ohm 0.5 Watt resistor (U55) is listed. However, the correct value is printed on the board. With all other boards (uEliteBoard64, uBook64, ...) the value in the lists is correct, as far as I could determine.

07.12.2020 - Informations about the Beta uHeld64 boards

Informations about the Beta uHeld64 boards are now available

05.12.2020 - Added new "MA8505" IC

I have created a new 5-times Switch IC for example: Joystick Port Switches

Programmed by Matthias