PicoRAM 2090 for the Busch Microtronic Computer System

A Raspberry Pi Pico (RP2040)-based 2114 SRAM Emulator, SD Card Interface, and Multi-Expansion for the Busch 2090 Microtronic Computer System from 1981.

  • SD card interface
  • Comfortable UI
  • 16 user memory banks
  • Mnemonics display
  • Hardware extensions: speech synthesizer, Real Time Clock (DS3231 RTC), sound, ASCII text and graphics OLED display
  • Extended op-codes for driving these extensions

Demo Videos:
PicoRAM 2090 Final Demo Video
PicoRAM 2090 Prototype Full Feature Demo
GitHub Repo PicoRAM 2090
Hackaday Page:

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