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Denjhang's Retro Hardware
A-ONE - Apple 1 Mini SBC / Retro Computers
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On sale

A-ONE - Apple 1 Mini SBC

$139.00


What is it?


The A-ONE is a compact single-board computer that faithfully implements all the functions of the original Apple 1 in a modern, miniaturized PCB form factor. Connect a monitor and PS/2 keyboard and you're ready to experience the machine that started it all — or use it via serial port connected to a terminal emulator, just like the RC6502.


It supports the original Apple 1 expansion bus, making it compatible with period-correct peripherals and modern expansion cards alike.


Why Was It Made?


The Apple 1 is the founding artifact of personal computing — designed by Steve Wozniak in 1976, only 200 were ever built, and surviving originals sell for hundreds of thousands of dollars at auction. The A-ONE brings that legendary machine to everyone: a faithful, functional reproduction you can actually use, program, and expand.


Whether you're a retrocomputing enthusiast, a computer history buff, or an educator teaching the roots of modern computing, the A-ONE gives you a genuine Apple 1 experience without the museum price tag.


Key Features



  • Full Apple 1 hardware implementation on a compact PCB

  • PS/2 keyboard input — connect any PS/2 keyboard directly

  • Video output — connect to a monitor for authentic Apple 1 display

  • Serial port support — use with any terminal emulator (RC6502-style workflow)

  • Original Apple 1 expansion bus — compatible with expansion cards and peripherals

  • Compact mini SBC form factor — clean, modern PCB layout

  • Ideal for learning 6502 assembly, retrocomputing, and computer history


About the Apple 1


The Apple 1 was the first product sold by Apple Computer, designed entirely by Steve Wozniak. It featured a MOS 6502 CPU running at 1MHz, 4KB of RAM (expandable to 8KB), and a built-in video terminal interface — revolutionary for its time. Users typed programs directly in machine code or BASIC via a cassette interface. It was the machine that proved personal computing was possible.


The A-ONE captures that spirit: minimal, elegant, and endlessly hackable.


Usage Modes



  • Standalone mode: Connect PS/2 keyboard + monitor, power on, and interact with the Apple 1 monitor program directly

  • Terminal mode: Connect via serial port to a PC running a terminal emulator — perfect for development and debugging

  • Expansion mode: Attach Apple 1-compatible expansion cards via the original expansion bus