Lesson Template

Structure Basics

Understand setup(), loop(), and how an Arduino sketch runs.

Progress

10% completed

Run in Simulator

Lesson Overview

This lesson introduces the core ideas behind Structure Basics.

  • Sketch lifecycle
  • setup() vs loop()
  • First upload flow

Example Code

void setup() {
  Serial.begin(115200);
}

void loop() {
  Serial.println("Hello ESP32");
  delay(1000);
}