Unpacker for CP/M compression and packing formats (8080)

Hardware and software for a digital clock synced via NTP with the ability to display solar data

Display Controller (VGA, SSD1306, ST7789, ILI9341), PS/2 Mouse and Keyboard Controller, Graphics Library, Sound Engine, Game Engine and ANSI/VT Terminal for the ESP32

A Teensy based DSP audio processor

Simple and experimental (class-E driven) SSB transceiver.

FDC+ Serial Disk Server GUI

Altair 8800 FDC+ Serial Disk Server for Linux

Codebase for an STM32F746 discovery board used to upgrade an HP 141T Spectrum Analyzer display.

XT-IDE 8-Bit IDE Controller

Arduino-based Automatic Amateur Radio Antenna Tuner

A simple Morse Code Decoder Based on the STM32 ARM Processo

Versatile, cheap and portable USB to GPIB converter (USBTMC class based)

For now, this is nothing but a collection of functional blocks.

AR488 Arduino GPIB Interface

Bare-metal Raspberry Pi project that provides pixel-perfect sampling of Retro Computer RGB/YUV video and conversion to HDMI

LinuxCNC FPGA board port to LiteX

Spins of Grant Searle's MultiComp project on various hardware

Flexible OpenSource firmware for TongSheng TSDZ2 mid drive ebike motor

A Quadrature and half quadrature PCNT peripheral driven encoder library supporting 10 encoders

A versatile serial terminal

This code uses libhackrf for a basis, and I have created an AM/FM/WBFM/SSB transmitter/receiver application with this stuff. I call the application radioDiags. The application accepts raw PCM data …

Z80 Assembler compatible with HiTech C compiler and linker

HI-TECH Z80 CP/M C compiler v3.09 and updates

A QRP on-off keying digital transmission device

Arduino FOC for BLDC and Stepper motors - Arduino Based Field Oriented Control Algorithm Library

Dual channel AIS receiver for RTL SDR dongles and Airspy HF+. Output is send as NMEA messages to screen or broadcasted via a UDP network connection.

A port of Grbl CNC Firmware for ESP32

Small and simple software for plotting data from serial port in realtime.