
ISA FPGA v2
robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.
Boards in 11 GitHub repositories, designed in KiCad, that use the 74LVC06AD by Nexperia (-40℃~+125℃ 1.65V~5.5V 3.5ns@5.5V,50pF 40uA 6 74LVC SOP-14 Inverters ROHS). See how each wires it, with its parts, size, README and files; the 74LVC06AD’s symbol, footprint and pinout are on its own page.

robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.


fachat/csa_ultracpu
The CPU board for a 17MHz Colour-PET clone with modern interfaces





yonush/picoXpander
picoXPander - learning programming with various IO boards and sensors

teknoman117/M68K-BUS-VOLTAGE-CONVERTER
A breakout board for the MC68010 which converts the 5V bus to a 3.3V bus you can connect to an FPGA

timex-sinclair-projects/tspico-hardware
Status 2026-10-19: prototype 3 (v3.0-proto3, changes below). Proto1 (v3.0-proto1) was built and brought up; proto2 added its fixes (below).

robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.

robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.

robfinch/Cores
Cores ===== RTF's Cores Use at your own risk. Welcome to my galaxy of cores. Contained in the directories are IP cores, source code for digital circuits.

CircuitMonkey/mos-kim1-replica
MOS KIM-1 6502 replica project using CHIPz modules.