minuteur-esp/src/main.cpp

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#include <Arduino.h>
// Un petit Hello world pour valider les bases
#define LED_FLASH 4
#define LED_BUILTIN 33
#define MyLED LED_BUILTIN
void setup() {
pinMode(MyLED, OUTPUT);
}
void loop() {
digitalWrite(MyLED, HIGH);
delay(1000);
digitalWrite(MyLED, LOW);
delay(1000);
}