// LCD1602 to Arduino Uno connection example
#include <LiquidCrystal.h>
#include "DHT.h"
int p=3;
DHT dht(p, DHT22);
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
void setup() {
lcd.begin(16, 2);
// you can now interact with the LCD, e.g.:
lcd.print("Hello SVECW...!");
Serial.begin(115200);
Serial.println(F("DHT22 example!"));
dht.begin();
}
void loop() {
float temperature = dht.readTemperature();
float humidity = dht.readHumidity();
// Check if any reads failed and exit early (to try again).
if (isnan(temperature) || isnan(humidity))
{
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
lcd.setCursor(0,1);
lcd.print(temperature);
lcd.print(F("\xdf"));
lcd.print(F("C"));
lcd.setCursor(10,1);
lcd.print(humidity);
lcd.print(F("%"));
Serial.print(F("Humidity: "));
Serial.print(humidity);
Serial.print(F("% Temperature: "));
Serial.print(temperature);
Serial.println(F("°C "));
// Wait a few seconds between measurements.
delay(1000);
}