#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
const int DHT_PIN = 15;
const int BUZZER = 18;
DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
Serial.begin(115200);
pinMode(BUZZER, OUTPUT);//buzzer
pinMode(5,OUTPUT);//led merah
dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
lcd.init();
lcd.backlight();
}
void loop() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
Serial.println("Temp: " + String(data.temperature, 2) + "°C");
Serial.println("Humidity: " + String(data.humidity, 1) + "%");
Serial.println("---");
digitalWrite(BUZZER,HIGH) ; //Turn on active buzzer
delay(1000);
lcd.setCursor(0, 0);
lcd.print("Temp: " + String(data.temperature, 2) + " C");
delay(1000);
lcd.clear();
lcd.setCursor(0, 1);
delay(1000);
lcd.clear();
if (data.temperature < 20){
lcd.print("AMAN");
digitalWrite(5, LOW);
noTone(BUZZER);
}
else if (data.temperature > 32){
lcd.print("BAHAYA API!!!");
digitalWrite(5, HIGH);
tone(BUZZER,165);
}
else if (data.temperature > 20 < 32){
lcd.print("TIDAK ADA API");
digitalWrite(5, LOW);
noTone(BUZZER);
}
}
esp:VIN
esp:GND.2
esp:D13
esp:D12
esp:D14
esp:D27
esp:D26
esp:D25
esp:D33
esp:D32
esp:D35
esp:D34
esp:VN
esp:VP
esp:EN
esp:3V3
esp:GND.1
esp:D15
esp:D2
esp:D4
esp:RX2
esp:TX2
esp:D5
esp:D18
esp:D19
esp:D21
esp:RX0
esp:TX0
esp:D22
esp:D23
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
lcd2:GND
lcd2:VCC
lcd2:SDA
lcd2:SCL
led1:A
led1:C
bz1:1
bz1:2