This one is a full open design (electronics, pcb and firmware) of a PS/2 Keyboard adapter with USB console for use in MSX and other legacy computers - 15x8 matrix(BCD input - 8 bits "Low active" ou…

Arduino Parking Assistant V3

Programmable RGB Thermometer

Browser-based КР556РТ4 (256×4 bipolar PROM) programmer on Arduino Nano — burn, read, verify and flash the firmware itself over Web Serial. No install.

An open-source display for KT e-bike controllers.

EBike / EScooter app developed in CircuitPython, to control a motor by sending commands to VESC motor controller

Greaseweazle Projects

Wiegand 26 and Wiegand 34 Protocol Library for Arduino

ZX Spectrum Emulator on RP2040, RP2350

ST7735 LCM library for OrangePi

batocera.linux

For my clone ESR-T4

Component Tester in a Keychain

LGT8Fx8P ISP download protocol implementation

Hardware support package for LGT AVR Compatible Chips

Hardware Turbo Sound (Dual AY/YM) emulator for ZX Spectrum. Powered by high-speed LGT8F328P MCU using built-in DAC. Available in DIP-28 and DIP-40 drop-in form-factors.

Atari 8 bit computers, NES and SMS game consoles on your TV with nothing more than a ESP32 and a sense of nostalgia

An Atari 8-bit SIO device implementation for a Raspberry Pi Pico

SEGA SC-3000 emulator for Raspberry Pi Pico

Raspberry Pi Pico NES (Nintendo Entertainment System) / Dendy Emulator for MURMULATOR devboard

OS for Murmulator with RP2350

Hardware layout for Evgeny Ugryumov's WD1793/MB8877/ВГ93 floppy disk controller emulator based on LGT8F328P MCU.

Arduino-based battery internal resistance meter

LCR meter project. An Inductance, Capacitance and Resistance meter, Arduino NANO(v3) based.

PSOC5 floppy disk imaging interface

An Arduino core for the ATmega1284, ATmega644, ATmega324, ATmega164, ATmega32, ATmega16 and ATmega8535

Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB

ZX Spectrum 128K for MIST Board