With this free web app, you can build circuits from scratch using three popular Arduino boards — Uno, Nano, and Mega — and any of the 50+ hardware components, ranging from the basic mini ...

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.

Youngsters interested in technology might get a kick out of working with real computer hardware and software during their summer break. Parents, relatives, and friends have many ways to get these kids ...