Based on Blockly and BlocklyDuino, here's a multilingual enhanced version with supervision, upload, multi-level blocks, etc.

Improved serial debugging, with debug levels and simple software debugger, to see/change global variables, add watch, or call a function.

How to create your own Arduino training platform for beginners to start learning Arduino programming.

This project uses Simulink and Stateflow to create an Arduino-based oscillating fan.

Serial communication in Arduino.