#include <DHT.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define DHTPIN 27
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
void setup() {
// put your setup code here, to run once:
Serial.begin(9600);
Serial.println("Hello, ESP32!\nDHT22 test...");
dht.begin();
lcd.init();
lcd.backlight();
}
void loop() {
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.print("Humidity: ");
Serial.println(h);
Serial.print("Temperature: ");
Serial.println(t);
delay(2000);
//LCD Temperature
lcd.setCursor(0, 0);
lcd.print("Temperature");
lcd.setCursor(11, 0);
lcd.print(t);
lcd.setCursor(15, 0);
lcd.print("C");
//LCD Humidity
lcd.setCursor(0, 1);
lcd.print("Humidity ");
lcd.setCursor(11, 1);
lcd.print(h);
lcd.setCursor(15, 1);
lcd.print("%");
delay(2000);
}Loading
esp32-devkit-c-v4
esp32-devkit-c-v4