PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
How to create an OS from scratch
Learning operating system development using Linux kernel and Raspberry
Mulithreading Arduno library
It animates some Lissajous figures. It is Boot-able.
Visualg versão 3.0.5.6 (última de revisão 20/08/2015)