Quansheng UV-K5 handheld radio modifications

Audio Tools (a powerful Audio library for Arduino, PlatformIO, IDF)

Fast and secure standalone server for resizing, processing, and converting images on the fly

Robot Control using PID Controller and Kalman Filter

ESP32 board including Lora RFM95 module optimized for low power deep sleep operation.

Webserver to handle binary files for ESP32 and ESP8266 Over-The-Air updates.