Starred repositories
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
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. 🎤
ESP32DIV is a dual-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.
sgp4sdp4 library for parsing TLEs and tracking satellites orbiting Earth; ported to C by Neoklis, 5B4AZ
LCD HD44780 controller library for pi pico (c++).
An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months …
Arduino code to init SD Card and I2S to record audio at CD quality.
Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.