SSD1306 driver is Arduino style C/C++ library with unicode support. The library can be compiled for plain Linux (for example, raspberry spi), or you can use it with plain avr-gcc compiler without ...

CoAP client, server library for Arduino. CoAP simple server, client library for Arduino IDE/PlatformIO, ESP32, ESP8266. Some sample sketches for Arduino included(/examples/). coaptest.ino : simple ...

The ESP32 keeps finding new jobs in my house.

I didn't expect to love it, and it has a learning curve, but the possibilities are endless.