#include<LiquidCrystal.h>

LiquidCrystal lcd(12,11,10,9,8,7);
#include <DHT22.h>
#define pinDATA 5
DHT22 dht22(pinDATA);

void setup(){
 lcd.begin(16,2);
 lcd.clear();
 lcd.setCursor(0,0);
 lcd.print("test capteure DTH22");
 Serial.begin(9600); //1bit=10us
 Serial.println("\n test capture DTH22");
}
void loop(){
  Serial.println(dht22.debug());//optionnal

  float t = dht22.getTemperature();
  float h = dht22.getHumidity();

  if(dht22.getLastError() !=dht22.OK){
   Serial.print("last error:");
   Serial.print(dht22.getLastError());
  }

   Serial.print("h=");Serial.print(h,1);Serial.print("\t");
   Serial.print("t=");Serial.println(t,1);
   lcd.clear();
   lcd.setCursor(0,0);
   lcd.print("temp(*c)Humidity");
  lcd.setCursor(0,1);
  lcd.print(t);
  lcd.setCursor(10,1);
  lcd.print(h);
  delay(1000); //collecting period should be : >1.7 second 
}