kneehighspy
Just a hobbyist who enjoys building projects for vintage game consoles and computers.
SGD EngineeringUSA
Pinned Repositories
64NIC
Commodore 64 Network Interface Card
Amiga-1000-Rejuvenator
A1000 Rejuvenator
Amiga-Digital-Video
Add a digital video port to vintage Amiga machines
Apple2-IO-RPi
Apple II expansion card using a Raspberry Pi for I/O
c64-rf-modulator-replacement
C64 Composite/S-Video RF Modulator Replacement
ColecoVision_MultiCart
MultiCart for the ColecoVision Videogame System
Commodore-PCB-NO.252311-REV.B
Recreated schematic of Commodore 64 motherboard
finalgrom99
A cartridge for the TI 99/4A that runs ROM and GROM images from an SD card
TriMod_2.0_Adapter
The TriMod adapter in version 2.0. The first adapter ever, which not only retrofits an IEEE-488 interface for the Commodore 1541 and is switchable, but also provides a parallel cable connection e.g. for SpeedDOS.
Z80-Card_for_Commodore_C64
An 8MHz Z80 card for the Commodore C64, which allows to run CP/M or other Z80 software.
kneehighspy's Repositories
kneehighspy/GW_Parts
KiCAD symbol libraries for Garrett's Workshop products
kneehighspy/GWRAM.SYSTEM
The GWRAM utility is used to configure the RAM size of the "RAM2E II" and "RAM2GS II" Apple IIe and IIgs RAM cards.
kneehighspy/KungFuFlash
Cartridge for the Commodore 64 that packs a punch
kneehighspy/VEXTREME
VEXTREME - Vectrex Multicart
kneehighspy/1541-parallel-adapter-SpeedDOS
This is a reliable and easy to build parallel User Port Adapter for the Commodore 1541/1541-II
kneehighspy/A500-2Meg-Chip-ram
An Adapter to retrofit a 2MB agnus into a 1MB Amiga 500/2000
kneehighspy/apple2-slot-riser
Apple II Card Slot Riser
kneehighspy/AppleIISd
SD card based ProFile replacement for IIe
kneehighspy/C64-5-pin-RF-modulator-replacement
A RF modulator replacement for early 5 pin C64's that gives S-video output, along with a 3.5mm audio out.
kneehighspy/C64-A-V-Adaptor
An A/V-adaptor board for the C64
kneehighspy/C64-CHARSET-Adaptor-Switch
An Adaptor for the Character ROM of the Commodore C64
kneehighspy/C64-Diagnostic-Rev.-586220-Harness
A harness for the Diagnostic Rev. 586220 Test for the Commodore C64
kneehighspy/C64-Kernal-2.1
This Kernal prevents the killer CBM80 signature, that some games leave in memory from hooking up the C64 for a while
kneehighspy/C64-Kernal-Adapter-Switch-Long-Board
This is a Kernal Adapter/Switch for the Commodore C64 long board
kneehighspy/C64-Kernal-Adaptor-Switch-short-board-
This is a Kernal Adapter/Switch for the Commodore C64, ASSY250469 (short board).
kneehighspy/C64-PSU-Global
A replacement PSU for the Commodore C64, which works with 230V/115V
kneehighspy/C64-WiFi-Modem-User-Port
A NodeMCU (ESP8266) based WiFi modem for the C64's user port
kneehighspy/Commodore64C
Commodore 64C schematics recreated in KiCad
kneehighspy/eagle-to-kicad
Eagle SCH/LIB to KiCad SCH/LIB ULP conversion script
kneehighspy/Epyx-FastLoad
A rebuild of the Epyx Fast Load cartridge for the Commodore C64
kneehighspy/freerouting
Advanced PCB autorouter (finally, no Java installation required)
kneehighspy/fujinet-hardware
Schematics and design files for FujiNet hardware
kneehighspy/GreaseweazleGUI-dotNET
GUI Wrapper for Keir Fraser's Greaseweazle
kneehighspy/LumaFix64
kneehighspy/open-tl866
Open Programming Firmware for the TL866A Programmer.
kneehighspy/OpenXenium
OpenXenium - Open Source Xenium Modchip CPLD replacement project for the Original Xbox
kneehighspy/reprom64
rom replacement board for the C64
kneehighspy/SDisk2
SD card interface for Apple 2 computers
kneehighspy/tms-rgb
An RGB adapter for TMS9928A and TMS9929A
kneehighspy/Ultimate-64-Keyboard-Adapter
This is an extension for the Ultimate 64 (elite) keyboard connector to get it into a position, that can be reached easily with the standard length keyboard cable.