Leonardo Russo’s ArduinoSimulator is an open-source Arduino Simulator written in JavaScript that runs code directly in your web browser and shows the serial output and digital/analog pins status for ...

Wokwi is another online simulator that makes it easy to visualize how your Arduino board would connect and work with your chosen electronic components. With this free web app, you can build ...

So that may explain Wokwi ‘s popularity and it looks like a great platform for education with support for several Arduino boards (Uno, Mega, Nano), the Raspberry Pi Pico, and a generic ESP32 board ...

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