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Module Température » final_code_temp_capteur_.ino

Julien Jobert, 19/01/2021 15:36

 
#include <SimpleDHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
// pour DHT22,
// VCC: 5V
// GND: GND
// DATA: pin digital 2
int pinDHT22 = 2;

SimpleDHT22 dht22(pinDHT22);
LiquidCrystal_I2C lcd(0x27,20,4);
void setup() {
Serial.begin(9600);// defini la vitesse du bus I2C
lcd.init();//initialise le lcD
lcd.backlight();//initialise le retro eclerage
}

void loop() {
Serial.println("=================================");
Serial.println("Sample DHT22...");
float temperature = 0;
float humidity = 0;
int err = SimpleDHTErrSuccess;
if ((err = dht22.read2(&temperature, &humidity, NULL)) != SimpleDHTErrSuccess) {
Serial.print("Read DHT22 failed, err="); Serial.print(SimpleDHTErrCode(err));
Serial.print(","); Serial.println(SimpleDHTErrDuration(err)); delay(2000);
return;
}
Serial.print("Sample OK: ");
Serial.print((float)temperature); Serial.print(" *C, ");
Serial.print((float)humidity); Serial.println(" RH%");
lcd.setCursor(0,0);
lcd.print("Temperature:");
lcd.setCursor(12,0);
lcd.print((float)temperature);
lcd.setCursor(0,1);
lcd.print("humidite : ");
lcd.print((float)humidity);
// definit le delais pour recommencé le programme donc il definit aussi le delais entre les messure
delay(1000);
}
(11-11/12)