Arduino Ecran LCD

#include <LiquidCrystal.h>;
// configuration du LCD, avec les bonnes broches, à changer si vous changez le câblage
LiquidCrystal lcd(2, 3, 5, 6, 7, 8);
void setup()
{
  // On définit le nombre de colonnes et de lignes du LCD (16 caractères par ligne, 2 lignes)
  lcd.begin(16, 2);
  // La fonction suivante permet d'afficher un message initial.
  lcd.print("Projet Milapli");
}
void loop()
{
// On définit le curseur à la colonne 0, ligne 1
// (notez que la ligne 1 correspond à la seconde ligne de l'écran, car on compte à partir de 0)
lcd.setCursor(0, 1);
// On affiche le nombre de secondes écoulées depuis le démarrage du programme:
lcd.print(millis()/1000);
}

#include "DHT.h"
#define DHTPIN 8 // broche ou l'on a branche le capteur
// de-commenter le capteur utilise
//#define DHTTYPE DHT11 // DHT 11
#define DHTTYPE DHT22 // DHT 22 (AM2302)
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
DHT dht(DHTPIN, DHTTYPE);//déclaration du capteur
 
void setup()
{
 Serial.begin(9600);
 Serial.println("DHTxx test!");
 dht.begin();
}
void loop()
{
 delay(2000);
 
 // La lecture du capteur prend 250ms
 // Les valeurs lues peuvet etre vieilles de jusqu'a 2 secondes (le capteur est lent)
 float h = dht.readHumidity();//on lit l'hygrometrie
 float t = dht.readTemperature();//on lit la temperature en celsius (par defaut)
 // pour lire en farenheit, il faut le paramère (isFahrenheit = true) :
 float f = dht.readTemperature(true);
 
 //On verifie si la lecture a echoue, si oui on quitte la boucle pour recommencer.
 if (isnan(h) || isnan(t) || isnan(f))
 {
   Serial.println("Failed to read from DHT sensor!");
   return;
 }
 
 // Calcul de l'indice de temperature en Farenheit
 float hif = dht.computeHeatIndex(f, h);
 // Calcul de l'indice de temperature en Celsius
 float hic = dht.computeHeatIndex(t, h, false);
 
 //Affichages :
 Serial.print("Humidite: ");
 Serial.print(h);
 Serial.print(" %\t");
 Serial.print("Temperature: ");
 Serial.print(t);
 Serial.print(" *C ");
 Serial.print(f);
 Serial.print(" *F\t");
 Serial.print("Indice de temperature: ");
 Serial.print(hic);
 Serial.print(" *C ");
 Serial.print(hif);
 Serial.println(" *F");
}

// DHT Temperature & Humidity Sensor
// Unified Sensor Library Example
// Written by Tony DiCola for Adafruit Industries
// Released under an MIT license.
 
// Depends on the following Arduino libraries:
// - Adafruit Unified Sensor Library: https://github.com/adafruit/Adafruit_Sensor
// - DHT Sensor Library: https://github.com/adafruit/DHT-sensor-library
 
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#define DHTPIN 8 // Pin which is connected to the DHT sensor.
#include <LiquidCrystal.h>
 
//#define DHTTYPE DHT11 // DHT 11 
#define DHTTYPE DHT22 // DHT 22 (AM2302)
//#define DHTTYPE DHT21 // DHT 21 (AM2301)
 
// See guide for details on sensor wiring and usage:
// https://learn.adafruit.com/dht/overview
 
DHT_Unified dht(DHTPIN, DHTTYPE);
uint32_t delayMS;
LiquidCrystal lcd(2, 3, 4, 5, 6, 7); // on a remplace la ligne de depart qui etait LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
 
 
void setup() 
{
 Serial.begin(9600); 
 lcd.begin(40, 2);
 lcd.print(" www.nagashur.com/blog/ ");
  
 dht.begin();// Initialize device.
 Serial.println("DHTxx Unified Sensor Example");
 // Print temperature sensor details.
 sensor_t sensor;
 dht.temperature().getSensor(&sensor);
 Serial.println("------------------------------------");
 Serial.println("Temperature");
 Serial.print ("Sensor: "); Serial.println(sensor.name);
 Serial.print ("Driver Ver: "); Serial.println(sensor.version);
 Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
 Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println(" *C");
 Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println(" *C");
 Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println(" *C"); 
 Serial.println("------------------------------------");
 // Print humidity sensor details.
 dht.humidity().getSensor(&sensor);
 Serial.println("------------------------------------");
 Serial.println("Humidity");
 Serial.print ("Sensor: "); Serial.println(sensor.name);
 Serial.print ("Driver Ver: "); Serial.println(sensor.version);
 Serial.print ("Unique ID: "); Serial.println(sensor.sensor_id);
 Serial.print ("Max Value: "); Serial.print(sensor.max_value); Serial.println("%");
 Serial.print ("Min Value: "); Serial.print(sensor.min_value); Serial.println("%");
 Serial.print ("Resolution: "); Serial.print(sensor.resolution); Serial.println("%"); 
 Serial.println("------------------------------------");
 // Set delay between sensor readings based on sensor details.
 delayMS = sensor.min_delay / 1000;
  
}
 
void loop() 
{
 lcd.setCursor(0, 1);
 // Delay between measurements.
 delay(delayMS);
 // Get temperature event and print its value.
 sensors_event_t event; 
 dht.temperature().getEvent(&event);
 if (isnan(event.temperature)) 
 {
 Serial.println("Error reading temperature!");
 }
 else
 {
 Serial.print("Temperature: ");
 Serial.print(event.temperature);
 Serial.println(" *C");
 lcd.print("temperature : ");
 lcd.print(event.temperature);
 }
 // Get humidity event and print its value.
 dht.humidity().getEvent(&event);
 if (isnan(event.relative_humidity)) 
 {
 Serial.println("Error reading humidity!");
 }
 else
 {
 Serial.print("Humidity: ");
 Serial.print(event.relative_humidity);
 Serial.println("%");
 lcd.print(" humidity : ");
 lcd.print(event.relative_humidity);
 }

}