so tinkercad has circuit designand arduno now, a real arduino is $20, IDE is free, fritzing is free and does all the exact same layout stuff locally, you save your files and keep them forever.

Open the .cpp File – Review and understand the Arduino code. Try it in Tinkercad: Visit Tinkercad Circuits; Read the pdf files for understanding the components used in the circuit. Recreate the ...

When coding Arduino projects for other people (and myself) I find having ASCII art pinouts of the hardware very helpful. It allows me to very quickly see the pin assignments and pins used. Please feel ...