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Arduino & Microcontrollers

From a blinking LED to a smart home: pins, sensors, PWM, reading schematics and projects that lead to an electronics career.

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🧠 Glossary 🧰 Tools 🔌 Circuit Lab ⚡ Elektro

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Read all lessons of the subject — the certificate will unlock

📖 Lessons

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Lesson 1: What is Arduino: a brain the size of a matchbox

grade 12+

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Lesson 2: First project: Blink — the LED blinks

grade 12+

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Lesson 3: Arduino code: setup, loop and the Serial Monitor

grade 12+

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Lesson 4: Inputs: buttons and sensors — the board starts to feel

grade 13+

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Lesson 5: Analog and PWM: smooth light and servos

grade 13+

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Lesson 6: Reading wiring diagrams — the electrician’s language

grade 14+

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Lesson 7: Smart home projects: from idea to relay

grade 14+

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Lesson 8: Arduino and career: electronics, building automation, IoT

grade 15+

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🗓 Daily challenge

Same tasks for everyone today — can you do it?

🃏 Flashcards

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🎯 Quiz — pick the translation

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Learn Arduino: microcontrollers, sensors, your first sketch, smart-home projects and the path to an electronics career — free.

❓ FAQ

Is Boards, sensors and your first sketch free?

Yes — completely free, no signup, no ads. Practice as much as you like.

Who is Boards, sensors and your first sketch for?

For school students, university students and adults — to practice, repeat and have fun.

Do I need an account for Boards, sensors and your first sketch?

No — your progress is stored only on your device. No account needed.

Completely free — for everyone

Arduino & Microcontrollers

📖 Lessons

🗓 Daily challenge

🏆 Top of the week

🃏 Flashcards

🎯 Quiz — pick the translation

❓ FAQ