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🔧 ESP32 & Arduino Simulation Playground

Learn, experiment, and prototype with real hardware simulations - directly in your browser!

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Interactive Simulations

Click here to view all simulations ↓

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Edit Code Live

Click to open Wokwi editor →

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Virtual Components

Click to see supported components →

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Mobile Friendly

Click for mobile usage tips →

🎯 Coding Challenges

  • Modify the Blink example to create an SOS signal (3 short, 3 long, 3 short)
  • Add a button to control the LED instead of blinking automatically
  • Display your name scrolling across the OLED screen
  • Create a simple temperature alert system (simulate high temp with variable)
  • Build a reaction timer game using the OLED and button