Allows to play vehicle engine sounds on an ESP32. Additional sounds can play in parallel with the engine sound! Controls your lights as well. compatible with SBUS, IBUS, PWM, PPM and SUMD signals.

Raspberry Pi Pico based scanned matrix keyboard emulator

QL Custom ROM bootloader

Multiple High-Res Input & Output PPM Encoded Signal Streams on Teensy 4.x, 3.x & LC

Motorola Chip 6821 HDL

16u2 Bootloader to reprogram 16u2 + 328/2560 with Arduino IDE

Retro emulation for the ODROID-GO and other ESP32 devices

A Simple Program which enables communication between a Serial Device (like an Arduino) and the Flight Simulator 2020

Floppy disk images for ZX Spectrum

RunCPM is a multi-platform, portable, Z80 CP/M 2.2 emulator.

Sarien for the Sinclair QL

Sinclair QL Z80 emulator, used for CP/M 2.2

A collection of scripts and tools for Atmel ATF150x and GAL Programmable logic devices, some of the only standing active 5V programmable logic parts still available.

Emulation of the SPO256-al2 chip on RP2040

program to modify the ROM of my cheap game console

This is the software component of my RP2040 based USB to Quadrature mouse adaptor

AY-8912 chip emulation library

ST Sound library, modified for accurate AY-3-8912 emulation.

Misc projects for ARM family

nRF24-based RC car receiver, compatible with HobbyKing HK310 and Turnigy 3XS

Hack the channels on the HobbyKing HK310 and Turnigy X3S RC transmitter

TAP/TZX Digital cassette recorder for 8-bit machines

Floppy Disk Interface for ZX Spectrum +2A/B

Convert any LCSC components (including EasyEDA) to KiCad library

Recreation of the ZX Spectrum Issue 4B board in KiCAD

Vintage General Instrument Speech Synthesizer CTS256 with SP0256