Kim Uno

Kim Uno

The KIM Uno is a small “open-source hardware” project to build a replica of the classic 1976 KIM-1 computer. It doubles up as a 6502 programmable calculator. It costs about $10 in commonly available parts (board & parts without case or power supply),...
RC-2014 SBC

RC-2014 SBC

BASIC Microsoft BASIC 4.7 comes in 2 variations for the RC2014; 32k or 56k.  The 32k BASIC will run on the RC2014 Mini, RC2014 Classic, RC2014 Plus and RC2014 Pro, but 56k BASIC will only run on a RC2014 Pro or an expanded Classic or Plus. This particular...
Micro Elf

Micro Elf

This is based on the Micro-Elf project presented in Popular Electronics 1976. Mike Riley from elf-emulation.com has designed a PCB to make for easier construction than the wire-wrap method used in my Cosmac Elf. Features: 32k Ram2mhz clockCompact design, board is only...
SBC 8080A

SBC 8080A

The SBC8080 is a simple board computer consisting of an Intel 8080 based CPU board and a SUB board with a memory / terminal interface. Over time, this product will be the printed circuit board of the CPU board. The parts to be placed on the printed circuit board...
VeriFone Tranz 330

VeriFone Tranz 330

Here we have a common credit card terminal based on a Z80 chipset running the earliest published BASIC port of Eliza from the July 1977 issue of Creative Computing. I replaced the terminal’s ROM with Microsoft BASIC and added in stuff to mirror the last printed line...
Talking Electronic TEC -1D

Talking Electronic TEC -1D

The TEC-1 is a single-board kit computer first produced by the Australian hobbyist electronics magazine Talking Electronics in the early 1980s.[1] The design by John Hardy and Ken Stone was based on the Zilog Z80 CPU, had 2K of RAM and 2K of ROM in a default...