SC114, v1.0, PCB

Z80 Motherboard (PCB) with RC2014 compatible expansion sockets.

SupplierWebsiteShips from
Stephen C CousinsTindieUK
pcb4diyeBayGermany
pcb4diypcb4diy.deGermany
SC114, v1.0, PCB design files (EasyEDA)
SC114, v1.0, Gerber files (ZIP)

This circuit board has been designed to be easy to build, with far less soldering and components than a typical RC2014 system.

  • Z80 CPU running at 7.3728 MHz
  • 128k bytes RAM
  • 32k bytes ROM
  • Bit-bang serial at 9600 baud
  • Four RC2014 compatible module sockets
  • Powered from FTDI style serial
  • Runs the Small Computer Monitor
  • Runs BASIC
  • Easily expandable to run CP/M

Available (free) firmware includes the Small Computer Monitor, BASIC, and a CP/M loader (required Compact Flash module).

Available plug-in modules include:

  • Z80 SIO based high-speed serial
  • Compact Flash module
  • Digital input and output
  • Prototyping cards

SC114 v1.0 Schematic (PDF)

Homebrew 8-bit retro computing