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.

After reading all the response to the Arduino KIM emulator thing, I’m staggered by this! In case none of you have ever seen the circuit for a KIM-1, SYM-1 or AIM-1, this is pretty much how we ...

There is also a lot more inside Tinkercad — You can create Arduino circuits using it as well as Minecraft models that you can export into the game — but they are beyond the scope of this article.