Not exactly schematics, but [Duckman] has some Arduino pinout diagrams he made using ASCII-art. These could be useful when pasted into source code as comments, documenting the pinouts for your ...

[ENGLISH] Schematics This part is the collection of shematics for each modules in Arduino Starter Kit. They will be useful as reference if you ever want to make your own custom circuits.

Arduino Wiring Diagram Maker offers users an extensive range of advanced features, including virtual private network, automatic data encryption, customizable dashboard, and multi-user access, all ...

XOD is a Visual Programming Language for Arduino, Raspberry Pi, and other Maker Boards When you think about visual programming on the Raspberry Pi or Arduino board, Scratch may come to mind, but some ...