Liquid Crystal Library for Arduino (with ESP32 support)
Arduino lib to operate 433/315Mhz devices like power outlet sockets.
Driver for the SSD1306 and SH1106 based 128x64 pixel OLED display running on the Arduino/ESP8266 and ESP32 (esp-idf) platforms
quick and dirty c++17 linear algebra library
platform-independent collection of various data structures, serial formats and miscellaneous code in c++17