A collection of bare-metal C programs for the Arduino Uno (ATmega328P). This repository documents my journey of learning embedded systems from the ground up, bypassing the Arduino IDE and high-level ...
My friend (W6IPA) and I developed a versatile Raspberry-Pi hat that can be used for Allstar, Echolink, APRS, or any digital modes. We use the program in this GitHub repository to program the radio ...