#define BLYNK_TEMPLATE_ID "TMPL6w1fBUO2a"
#define BLYNK_TEMPLATE_NAME "simulasi 1"
#define BLYNK_AUTH_TOKEN "oFGPZHq0hBBtmx2yGczhXiyJsOFDuxZm"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#include <DHT.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan
#define DHTPIN 5 // Mention the digital pin where you connected
#define DHTTYPE DHT22 // DHT 11
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
int led1=15;
int led2=2;
void setup() {
Serial.begin(115200);
Blynk.begin(auth, ssid, pass);
// You can also specify server:
//Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
//Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
lcd.init();
lcd.backlight();
dht.begin();
timer.setInterval(2500L, sendSensor);
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
}
void loop() {
Blynk.run();
timer.run();
lcd.setCursor(0,0);
}
void sendSensor() {
float h = dht.readHumidity();
float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
if (isnan(h) || isnan(t)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
Blynk.virtualWrite(V1, h);
Blynk.virtualWrite(V0, t);
Blynk.virtualWrite(V2, led1);
Blynk.virtualWrite(V3, led2);
lcd.setCursor(0, 0); // Set posisi kursor LCD baris 1
lcd.print("Suhu: "); // Tampilkan teks "Suhu: "
lcd.print(t); // Tampilkan nilai suhu
lcd.print(" "); // Tampilkan satuan Celsius
lcd.print( (char)223);
lcd.print("C");
lcd.setCursor(0, 1); // Set posisi kursor LCD baris 2
lcd.print("Kelembapan: "); // Tampilkan teks "Kelembaban: "
lcd.print(h); // Tampilkan nilai kelembaban
lcd.print(" %"); // Tampilkan persen kelembapan
delay(2000); // Jeda 2 detik
lcd.clear(); // Bersihkan tampilan LCD
Serial.print("Temperature : ");
Serial.print(t);
Serial.print(" Humidity : ");
Serial.println(h);
if ( t > 35) {
digitalWrite(led1, HIGH);
}
else {
digitalWrite(led1, LOW);
}
if ( h > 50) {
digitalWrite(led2, HIGH);
}
else {
digitalWrite(led2, LOW);
}
if (t > 30) {
// Blynk.email("[email protected]", "Alert", "Temperature over 28C!");
Blynk.logEvent("temp_alert", "Temp above 30 degrees");
}
}