Olimex RP2040pc is a RP2040 based dev board with Apple II/Oric emulation and LiPo battery support

The Olimex RP2040pc is a compact “all-in-one” RP2040 based dev board based on the Raspberry Pi RP2040 microcontroller, designed for retrocomputing enthusiasts. It supports Apple II e, Apple II+, and Oric Atmos emulation using the Reload emulator, which simply means you can play classic Total Replay Games with a USB keyboard and gamepad support.

The board features an HDMI port for DVI video output, stereo audio with buzzers and a 3.5mm jack, four USB host ports, two UEXT expansion connectors, and a LiPo battery charger. It includes 16MB SPI Flash storage and operates on a 5V USB-C power supply. The deve board is open-sourced and can be used for applications including vintage computing, gaming, and educational projects.

Olimex RP2040pc Dev Board Specifications

• Microcontroller – Raspberry Pi RP2040
• dual-core Cortex-M0+ MCU @ 133 MHz with 264 KB SRAM
• Storage – 16MB SPI Flash
• Video Output – HDMI port (DVI output)
• Audio
  • 2x buzzers for stereo audio output
  • 3.5mm audio jack for external amplifier
• USB
  • 4x USB host ports
  • 1x USB-C port for programming
  • 1x USB-C port for power supply
• Expansion – 2x UEXT connectors
• Controls & Switches
  • Power switch
  • Programming/Execution switch
  • RP2040 bootloader button
• Power Supply
  • 5V via USB-C port
  • LiPo battery charger
• Dimensions – 80 x 65 mm (four mounting holes with 3.3mm diameter)

The Olimex RP2040pc runs the Reload emulator, supporting Apple II e (128KB RAM) Apple II+ (64KB RAM), and Oric Atmos (64KB RAM) emulation. It uses the Raspberry Pi Pico C/C++ SDK, PicoDVI for HDMI/DVI output, and a tiny USB for USB support. The firmware is open-source and available on GitHub, allowing customization. It supports USB flash drives, keyboards, gamepads, and Total Replay Games.

The RP2040-based dev board Olimex RP2040pc can be purchased for 15 Euros from the company’s website.

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