This is for everything that you need to assemble your own diagnostics harness for the Commodore 64. This kit includes all of the components required to build the following dongles 1x IEC Port Dongle.
Game Port To USB Adapter Designed By Necroware DIY Kit Requires Assembly
ISA Floppy Disk And Serial Controller Card DIY Kit (Requires Assembly)
DIY Kit Commodore 64/128 Diagnostic Test Harness for 586220 & 785260 Cartridges
Dead Test Diagnostics Cartridge for Commodore 64 / 128 by C64Lover - V2
Commodore 64 C64 1541 Floppy Disk Drive Diagnostics Cartridge