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FTDI-based JTAG Programmer Circuit for FPGAs
ATTINY85 based device that will draw perfect circles while you're away
Open Source Hardware for Vintage Computers
Altera USB-Blaster-compatible programmer on Raspberry Pi Pico
The PS5 Nor Modifier is an easy to use Windows based application to rewrite your PS5 NOR file. This can be useful if your NOR is corrupt, or if you have a disc edition console that needs to be conv…
Mij latest ZX81 clone without ULA built from discrete pin through hole components
Use Wireless Android Auto with a car that supports only wired Android Auto using a Raspberry Pi.
ZX Spectrum 48k Game Cartridge Interface using an Arduino
An Arduino-based tape player for old school computers like the ZX Spectrum, Dragon 32 etc. Hardware is compatible with tzxduino/arduitape and Maxduino firmware.
A flash memory cartridge for ZX Spectrum with microSD slot
MOS CPU Replacer – replace rare/expensive/unreliable MOS CPUs
A low-profile replacement for the MOS 251641-02 PLA used in the Commodore C16, C116, and Plus/4 based on the PLA16V8.
DivTIESUS is a SD/MMC interface for the ZX Spectrum, compatible with ESXDOS. It is not a clone of Mario Pratto's DivMMC.
Sidekick64: A Versatile Software-Defined Cartridge for the C64, C128, C16, plus/4, and VIC20
Bluetooth jamming esp32 with nrf24l01
Yes, your Arduino can replace an expensive JTAG cable!
A huge collection of VHDL/Verilog open-source IP cores scraped from the web
battlecoder / SIO2Arduino
Forked from whizzosoftware/SIO2ArduinoAn Atari 8-bit device emulator for Arduino hardware
An Atari 8-bit device emulator for Arduino hardware
Simple PCB for building a XUM1541, a device for copying data to and from Commodore 1541 disk drives using a modern computer.
An updated version of my C64 XUM1541, this supports the newer XUM1541 firmware and comes with a few extra goodies.
Firmware to allow functional testing of ZX Spectrum hardware and related clones. See the wiki for full details.
TeensyROM is a ROM Emulator, Fast Loader, MIDI and Internet cartridge for Commodore64/128