Vintage computer related:

• Z80Exer - Z80 board exerciser for troubleshooting vintage computers
• MC6809Exer - MC6809 board exerciser for troubleshooting vintage computers
• FDDExer - Floppy Disk Drive Exerciser
• ROM-Emu - RAM-chip with Intel-hex interface as ROM emulator
• Z80 CPU bus access with Intel-hex interface
• Simple open source logic tester with Python scripting
• Keyboard Matrix Emulation used for the Aster CT-80, but adaptable to any keyboard matrix.
• Serial interface for a DTL parallel Paper Tape Punch (Facit 4070)
• USB based PAL and PROM reader (for Sanguino)
• modern version of the PAL/Prom reader based on the Logic tester hardware

Other:

• Light & Time Switcher Arduino project
• OpTh library as base for a thermostate replacement
• Two axes servo control
• spiRAM, adapted to newer IDE and SPI library
• Colour 7-Segment Display clock
• counter for spool winder
• Extra remote control for the EuroDomest rc switch kit.

Last update: 2025-09-29

fjkraan@electrickery.nl