🔌 Arduino GPIO Simulator

Learn digitalWrite() with Interactive Visual Feedback

🎮 Virtual Arduino Board

How to Use:

  • Write your code in the editor →
  • Click ▶ Run to execute
  • Watch the LED turn ON/OFF!
  • Use Speed Control to speed up delays
Arduino Uno
LED (Pin 13)
Digital Pin 13
Ready

💻 Code Editor

1x

💡 Quick Reference:

  • pinMode(13, OUTPUT) - Configure pin 13 as output
  • digitalWrite(13, HIGH) - Turn LED ON (3.3V)
  • digitalWrite(13, LOW) - Turn LED OFF (0V)
  • delay(1000) - Wait 1000ms (1 second)

📟 Serial Console

Arduino GPIO Simulator v1.0
Ready to execute code...