Elektor 6502 clock
In 1981 and 1982 the magazine Elektor (Elektuur) published a small 6502 system. Small since it only contained a 6502, a ...

Just for Fun MBC's
Just-for-Fun Fabio Defabis MBCs: Z80-MBC2, V20-MBC, 68K-MBC All well described on hackaday: Z80-MBC2 V20-MBC...

Multi-purpose Z80 card
Universal Multipurpose Z80 card. Elektor 1992. Universele Z80 kaart deel 1 en 2 Dutch Multi-purpose Z80 ...

Mini Z80 System
A very small but versatile Z80 system. Elektor 1992. Mini Z80 System RAM extension for M...