hkzlab Goto Github PK

386dx_qfp_pga_adapter

A QFP -> PGA adapter for 386DX CPUs

a2e_iou_speakerreplacement

Apple IIe IOU Speaker decoding replacement circuitry

a500_r5-eprom_adapter

Amiga 500 rev.5 EPROM adapter for 27C020, 27C040 and 27C080

anastizer

Helping tool to make anastatic-like book digitalizations

another_at2xt

Another AT2XT Keyboard adapter PCB

atnox

ATX to AT/XT/Amiga power supply adapter

atxm5v

Inline ATX -5v injector

avr-experiments

Some AVR MCU experiments

catflap4linux

A port of catflap (tool to manage caetla carts on PSX) to Linux

cga_redux

The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics

cga_schematics

IBM Colour Graphics Adapter schematics redrawn in KiCad

dwave_midi_wavetable

DWAVE is a small General MIDI module for the wavetable connector of your old sound card, based on the SAM2695 chip

ega-2-rgbs

EPROM based EGA/CGA to analog RGBS converter

elfstrapper

ELF MEMBERSHIP CARD Parallel port bootstrapper

es1868_isa8

ISA 8bit sound card based on the ES1868F sound chip, providing Sound Blaster PRO and OPL3 compatibility in a highly integrated package

es688_isa8

Sound Card for the ISA (8bit) bus sporting Sound Blaster / Sound Blaster PRO emulation via ES688F chip, and a real Yamaha OPL3 FM Synth. It's also completely jumper configurable.

esf

Code and supporting materials for textbook Embedded Systems Fundamentals with ARM Cortex-M based Microcontrollers: A Practical Approach

isa_8bitnetwork_8019

8bit ISA NE2000-compatible network card based on the RTL8019AS chip

isa_dualuartparport

8 bit ISA Parallel port + dual UART adapter

isa_ega_chips

This board is and EGA clone based on a reversed PA-WTEGA card, based on the chipset by CHIPS (P82C435 + P82A436).

isa_ems_2mb

ISA 8bit EMS 2Mb expansion card

isa_ems_4mb

ISA 4Mb EMS expansion board

isa_quaduart

ISA 8-bit Quad serial adapter

isa_quaduart2

This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.

jcart_megadrive_re

Reverse Engineering effort for the Megadrive JCart 4 player accessory

libvk8055

My personal implementation of a Velleman K8055 library

mercatini_repo

midi-stick

MIDI-Stick is a small MIDI synth based on the SAM2965 that plugs in the joystick port of your sound card

minos-z80-bootloader

IDE bootloader for MINOS Z80 monitor

minos-z80-monitor

Attempt to create a C based Ithaca Audio S-100 Z80 CPU card monitor