Add printf support to the Arduino SDK

Open Source LC-Meter. All documentation included.

Universal wireless communication library for embedded devices

mini NTP server with GPS and ESP32

First generation 2P Satellite

Initial release of Teensy SDR for the PJRC beta audio libraries

Software defined radio using Teensy 3.1, Teensy Audio shield and Softrock

Teensy Audio Library

JT65/JT9/JT4/WSPR/FSQ Encoder Library for Arduino

Audioprocessor with dsPIC33EP512MC806

Read frequency from YAESU KENWOOD ICOM FLEX transcivers CAT, YAESU BCD and Icom ACC voltage

Rotary encoders, fully debounced switches, EEPROM support on Arduino and mbed - direct and over I2C

Arduino+Si5351 = Antenna/Network Analyzer

RFM69 library for RFM69W, RFM69HW, RFM69CW, RFM69HCW (semtech SX1231, SX1231H)

Si4432 Library for Arduino

ubitx - sketch for the raduino to work with the ubitx transceiver

APRS-Toolchain by OE5DXL