This is developed as a mini project for MPCA course and runs on tinkercad and usus arduino UNO ,the schematic diagram for connection and code is included . arduino-uno tinkercad-project Updated ...

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.

For example an spi display or TV-out (using the TV-out library, probably on a second arduino). Reason for me to ask, I’ve got a Yamaha PSR-S500 with defective display, new displays are around ...