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Learn Arduino

By @DilumSanjaya. A 3D Arduino Uno: from lighting an LED to your first project.

Made with ClaudeSpanish and EnglishFreeNo account

Open the lab
A 3D Arduino Uno with its parts labeled: USB port, microcontroller, digital and analog pins.Open on its site
Screenshot of Learn Arduino on its original site, taken on October 25, 2026. The lab belongs to its author; we only link to it.

What it is

An interactive 3D course that runs in the browser. In each lesson you wire the parts on an Arduino Uno, run the code and see what happens: the LED lights, the motor spins, the servo moves and the serial monitor shows the data. It starts with lighting an LED and ends with a complete project.

  • 16 lessons (Oct 25, 2026)
  • Spanish version
  • Code, simulator and serial monitor on the same screen

What you learn

  • Buttons, potentiometers and RGB LEDs
  • Light sensors and the HC-SR04 ultrasonic sensor
  • Driving a motor with a transistor and controlling a servo

What it is for

  • Understand a circuit before buying the kit
  • Teach an electronics class without parts for everyone
  • See what each line of code does on the hardware, not just on screen

Use it on the roadmap

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