/* Activity 1: Blink Purpose: Turn the ESP32's built-in LED on and off every second The LED blinks continuously with 500ms on and 500ms off Components: - ESP32 Dev Module - Built-in LED on pin 2 */ void setup() { pinMode(2, OUTPUT); Serial.begin(115200); } void loop() { digitalWrite(2, HIGH); // LED on Serial.println("Hola"); // Print Hola delay(1000); // wait 1 second digitalWrite(2, LOW); // LED off Serial.println("Adios"); // Print Adios delay(1000); // wait 1 second }