Tube Time

cm5-reveng. Reverse engineered Raspberry Pi Compute Module 5

snark-barker. A 100% compatible replica of the famed SB 1.0 sound card

graphics-gremlin. Open source retro ISA video card

scopetrex. SCOPETREX vector gaming on your oscilloscope!

adlib. Reproduction AdLib Sound Card, OPL2, Circa 1990

pico-dram-tester. Raspberry Pi Pico 2 Vintage DRAM Tester

comix-35. The COMIX-35 is an improved clone of the COMX-35 1802 home computer

quapple. Quadlink clone turns your ancient IBM PC into an Apple ][

amiga-hddlw. Adapts a regular PC floppy drive for high density operation on an Amiga computer

crt-driver.

snark-barker-mca. A Sound Blaster compatible sound card for Micro Channel bus computers

sb-firmware. Assembly

13W3. 13W3 Video Snake Oil

ClockInACan. Drop-in replacements for metal can and half can style crystal oscillators

mca-tutorial. Tutorial on the IBM Micro Channel bus architecture

replica-datanetics. Replica Datanetics ASCII keyboard

FloppyExerciser. Simple tool for testing and repairing floppy drives

IBM_MCGA. IBM MCGA reverse engineered chips

PS2FloppyAdapter. Adapts standard PC floppy drives for use with IBM PS/2 computers that have 40 pin edge connectors

HardDriveInfo. Repair info and schematics for mostly older MFM hard drives

tiny-turbo-286. Reverse engineered schematic of the Orchid Tiny Turbo 286

game-blaster. Reverse-engineered CT-1300 Game Blaster card

ibm-extender. IBM 5161 expansion chassis extender and receiver cards

gvpsimm. GVP-Compatible 64-pin 4MB SIMM

plaid-bib-cpld. A replica of the Ad Lib MCA sound card, now with a CPLD instead of the bus interface chip

mc-mechanic. POST card for troubleshooting PS/2 and Micro Channel computers

engelbart-keyset. Reproduction Douglas Engelbart keyset

BreadboardGadgets. Convenient little boards that plug into your solderless breadboard

plaid-bib. A replica of the Ad Lib MCA sound card

EGACard. EGA graphics card reference layout

EMP-20Module. Universal EMP-20 Family Module

Thinkpad700CPower. Reverse engineered schematics for the Thinkpad 700C power board

minnow-disk. Reading and analyzing IBM 23FD Minnow floppy disks

ps2-debug-bios. PS/2 debug BIOS for Bermuda planars (PS/2 model 77, etc)

32plcc-plug. 3D-printed 32-pin PLCC plug that goes into a PLCC socket

kickstart-eliminator. Amiga 1000 Kickstart Eliminator

titan. Titan Technologies PC Accelerator reverse engineering

atari-sio. 3D printable Atari SIO connector model

goodgreat-ds3. Clone of the Greengate DS3 sampler

a1000-scsi-sidecar. Amiga 1000 SCSI sidecar adapter

XebecAboveBoard. Xebec/Intel Above Board Clone

ps2-clip. 3D Printable IBM PS/2 mechanical clips

ps2_80_memory. PS/2 Model 80 memory module clone

mpu-imc. MPU-IMC clone board layout and schematic

EGAMemory. 192K EGA Moar RAM Expansion

ps2-80-power. PS/2 Model 80 Power Supply Schematics

crt-driver2. New circuits for driving cathode ray tubes

IBM31SD. Reverse engineered IBM 31SD floppy drive control card

RS6KB. RS/6000 keyboard adapter for standard PS/2 keyboards

Thinkpad700CDock. Docking adapter for the Thinkpad 700/720 series allows MCA cards to be connected

DS-88. DS-88 Digisector PC Video Frame Grabber

6500-1-brain-dumper. 6500/1 microcontroller ROM dump board

pace-x. Pace-X INS8900 Computer

SperryClock. Board to drive 9-digit Sperry Panaplex display

sws600-12. Reverse engineered schematic of the SWS600-12 power supply

ProcessAlesisHR16Tape. Python program to process audio cassettes written by an Alesis HR-16 drum machine

Parts3DModels. Random 3D models of various electronic parts

mmd1_fram80. FRAM board for the MMD-1 trainer

demidiskette. Reverse engineered schematic for Demidiskette prototype drive