Zoom:
Câblage de la carte Arduino avec la LED: 2 montages possibles
Exo 1:
/*
Blink at ISTY
Turns 3 LED on for one second, then off for one second, repeatedly.
I tested this program at ISTY
25/01/2024
*/
const int led_verte=13, led_orange=12, led_rouge=11;
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(led_rouge, OUTPUT);
pinMode(led_verte, OUTPUT);
pinMode(led_orange, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
digitalWrite(led_rouge, HIGH); // turn the LED on (HIGH is the voltage level)
digitalWrite(led_verte, HIGH); // turn the LED on (HIGH is the voltage level)
delay(1000); // wait for a second
digitalWrite(led_rouge, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
digitalWrite(led_verte, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
}
Exo 2:
/*
Blink at ISTY
A pushbutton turns 3 LED on or off
I tested this program at ISTY
25/01/2024
*/
//paramétrage des entrées
const int bp=10;
//paramétrage des sorties
const int led_verte=13, led_orange=12, led_rouge=11;
// the setup function runs once when you press reset or power the board
void setup() {
// initialize digital pin bp as an input.
pinMode(bp, INPUT_PULLUP);
// initialize digital pin LED_BUILTIN as an output.
pinMode(led_rouge, OUTPUT);
pinMode(led_verte, OUTPUT);
pinMode(led_orange, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
if (digitalRead(bp) == HIGH)
{
digitalWrite(led_rouge, HIGH);
digitalWrite(led_verte, HIGH); // turn the LED on (HIGH is the voltage level)
delay(100);
}
}
else
{
digitalWrite(led_rouge, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
digitalWrite(led_verte, LOW); // turn the LED off by making the voltage LOW
delay(1000); // wait for a second
}
}
Challenge avec un test de BP:
// ==========================
// Définition des broches
// ==========================
const int ledRouge = 13;
const int ledOrange = 12;
const int ledVerte = 11;
const int boutonPin = 2; // fil/bouton poussoir sur pin 2
// ==========================
// Variables temps
// ==========================
unsigned long previousRouge = 0;
unsigned long previousVerte = 0;
bool etatRouge = false;
bool etatVerte = false;
void setup() {
pinMode(ledRouge, OUTPUT);
pinMode(ledOrange, OUTPUT);
pinMode(ledVerte, OUTPUT);
pinMode(boutonPin, INPUT_PULLUP);
// Contact fermé = LOW
}
void loop() {
unsigned long currentMillis = millis();
// ==========================
// LED Rouge : clignote toutes les 1 seconde
// ==========================
if (currentMillis - previousRouge >= 1000) {
previousRouge = currentMillis;
etatRouge = !etatRouge;
digitalWrite(ledRouge, etatRouge);
}
// ==========================
// Lecture contact (bouton)
// ==========================
bool contactFerme = (digitalRead(boutonPin) == LOW);
// ==========================
// Si contact fermé
// ==========================
if (contactFerme) {
// Orange ON
digitalWrite(ledOrange, HIGH);
// Verte clignote toutes les 100 ms
if (currentMillis - previousVerte >= 100) {
previousVerte = currentMillis;
etatVerte = !etatVerte;
digitalWrite(ledVerte, etatVerte);
}
}
// ==========================
// Si contact ouvert
// ==========================
else {
digitalWrite(ledOrange, LOW);
digitalWrite(ledVerte, LOW);
etatVerte = false;
}
}