A Zilog Z80 and Intel 8080 systems emulation

Teensy recorder libraries

RunCPM for the Raspberry Pico

A satellite orbit prediction library

tiny 386 PC emulator; running win9x on esp32

Teensy Audio Library

A total overhaul of the simulated analog dial VFO originally developed by TJ Ubeo (JF3HZB).

Repo for Code Kit from http://www.iowahills.com/

Tone library for Raspberry Pi Pico

A FAT filesystem with SDIO and SPI drivers for SD card on Raspberry Pi Pico

header-file-only implementation of various hash algorithms

A modem/TNC to generate the AFSK audio tones for sending APRS messages using a Raspberry Pi Pico/Pico2

WSPR beacon for Raspberry Pi Pico, based on pico-hf-oscillator library. It doesn't require any hardware - Pico board itself only.

uSDR implementation based on a RP2040 Pi Pico

Demo code for the Raspberry Pi Pico

A FAT filesystem with SPI driver for SD card on Raspberry Pi Pico

Astronomy Engine: multi-language calculation of Sun, Moon, and planet positions. Predicts lunar phases, eclipses, transits, oppositions, conjunctions, equinoxes, solstices, rise/set times, and othe…

Bluetooth jammer based on NRF24L01 module and Arduino Raspberry Pico RP2040

A lightweight C library for interfacing with the SSD1306 OLED display using I2C and pico sdk.

Capture audio from a microphone on your Raspberry Pi Pico or any RP2040 based board. 🎤

Raspberry Pi Pico PWM Audio Project

ESP32DIV is a multi-purpose wireless testing toolkit powered by an ESP32

A minimal, simple and effective jammer that jams Wi-Fi, BLE and 2.4 GHz band.

Build a SDR SW/MW/LW Receiver with a Raspberry Pi Pico

Driver for the SSD1306 and SH1106 based 128x64, 128x32, 64x48 pixel OLED display running on ESP8266/ESP32

Convert MIDI files to a simplified time-ordered sequence of note commands

SoundFont2 synthesizer library in a single C/C++ file

Native (C/C++ SDK) Si5351 library for Raspberry Pi Pico

Basic implementations of standard cryptography algorithms, like AES and SHA-1.