RAD Expansion Unit Cartridge for Commodore 64 and 128

RAD Expansion Unit Cartridge is designed for Commodore 64 and 128. Please note that the device does not include Raspberry Pi Zero 2W!

You will need to acquire a Raspberry Pi Zero 2W along with a micro SD card separately. These items can be purchased independently or from my store.

The set includes:

• Case
• Assembled PCB

Features and capabilities:

• RAM expansion up to 16 MB
  Compatible with CBM1700/1750/1764 REU, CLD Super 1750 clone, CMD 1750/1750XL
• GeoRAM/NeoRAM memory expansion up to 4 MB
• Management menu
  Browse, manage, and launch REU, GeoRAM, NUVIE, and PRG images

RAD Expansion Unit: The Cartridge That Fires Up Your Commodore – Turbo-RAM and Pixel Magic in One!

RAD Expansion Unit is a cartridge designed to transform your Commodore 64 (or C128) into an 80s beast that devours memory limitations like Pac-Man eats dots! This isn’t just an add-on – it’s like attaching nitro to your faithful C64, giving it more RAM and capabilities than a BASIC-era programmer’s dreams. Ready for a journey to pixel stratosphere? Jump in, because this cartridge is pure magic for Commodore fans!

What’s inside this pixel dynamite?

• Full-throttle RAM:
  Expands memory to 16 MB (or more in upgraded versions), perfect for large games, demoscene productions, or developer tools. Bank switching works smoothly – like rewinding a VHS tape without stuttering!
• Multi-ROM in action:
  Load hundreds of ROMs on one cartridge – from Elite to The Last Ninja. Plug it into the C64 cartridge slot, and your computer will think: “Oh wow, now I have a library bigger than Empik in 1985!” Compatible with C64, C128, and even VIC-20 in expanded mode.
• NuVie Cinema – Movies on C64? Seriously!:
  Play videos in NuVie (an engine for Ultima-like games but with REU support) – from 320x200 16-color DOOM trailers (at 12 FPS, max for C64) to custom GIFs and demos (e.g., seamless trippy bear loops). Upload files to SD, load them via REU image, and voilà – your Commodore streams like YouTube from 1985! Supports up to 768 frames per clip, editable in Windows Movie Maker for seamless loops.
• Ease of use:
  Plug into the cartridge port, select ROMs from the menu (if you have the OSD version), and go! Powered directly from the Commodore – no cables, no batteries, just retro-purity. No soldering required unless you fancy a DIY project over coffee.

Playful hook:

It’s like giving your C64 a VIP pass to a Silicon Valley party – suddenly it remembers every sprite and doesn’t complain about loading times. Without RAD, your Commodore is like a one-speed bike; with it – a Harley on the highway of nostalgia! Perfect for geeks who want more than 64 KB and dream of demos that blow minds.

Additional information:

• Project available on GitHub: https://github.com/frntc/RAD
• Open-source project, CC BY-NC-SA license, small series/hobby sale
• Presentation video: Watch on YouTube

Case colors available:

• White
• Gold
• Light gray
• Dark gray
• Red
• Brown
• Emerald
• Yellow
• Black
• Orange
• Green
• Blue
• Beige
• Matte transparent