Baffa-2+ Computer

Baffa-2+ Hardware

Baffa-2+ Computer is a SBC based on the original Baffa-2 Homebrew Microcomputer project. It's housed inside LowBudgetTech's 3D-printable Callisto 2 model case, available at thingiverse.com.

Computer Specifications:
  • CPU: Z180 CPU at 18.432 Mhz
  • Interface: Two high-speed serial ports up to 115200 Baud. Port A attached to video terminal. Port B can be connected to ESP-1 Modem Emulation.
  • Disk: SDCard Disk Module
  • RAM: 512KB
  • ROM: 512KB RomWBW
  • RTC: DS1302 Real Time Clock
  • PSG: YM2149 / AY-3-8910
Baffa-2 is an educational and personal project with the aim of understanding how computers work through 80's 8-bit commercial machine designs. It has a modular concept with boards that can be combined to develop your own design and configuration.

Callisto 2 - Fully Printable Retro Computer by LowBudgetTech is licensed under the Creative Commons - Attribution - Non-Commercial - Share Alikelicense.

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Baffa-2+ Computer


Baffa-2+ Board

Baffa-2+ SBC Rev.0
Testing Main Board

Related Files and Firmware:


Callisto 2 Case and finishing

The case was 3D printed using "Callisto 2 - Fully Printable Retro Computer" stl model by LowBudgetTech, available for download at https://www.thingiverse.com/thing:4846997

Printer: Creality Ender 3 v2

Filament: PLA (Brand: 3D Fila)

Rafts: Yes | Supports: Yes | Resolution: 0.2mm | Infill: 10%

Printing Time:

  • 6 main parts aprox. 36 hours each (216 hours in total)
  • 1 hatch - 10 hours
  • pins and screen holders - 3 hours
  • Total: 229 hours or 9,5 days (but much more if we consider the failed 3d prints)