#include "DHTesp.h"
#include <WiFi.h>
#include <MQTT.h>
#include <NusabotSimpleTimer.h>
WiFiClient net;
MQTTClient client;
DHTesp dhtSensor;
NusabotSimpleTimer timer;
const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";
// Variabel LED dan LED RGB
const int pinBlue = 25;
const int pinGreen = 26;
const int pinRed = 27;
const int pinLED = 32;
//Variabel nilai dht
float temp = 0;
float hum = 0;
int dht, oldht = 0;
void setup() {
pinMode(25, OUTPUT);
pinMode(26, OUTPUT);
pinMode(27, OUTPUT);
pinMode(32, OUTPUT);
WiFi.begin(ssid, pass);
client.begin("bitterprincess291.cloud.shiftr.io", net);
client.onMessage(subscribe);
dhtSensor.setup(13, DHTesp::DHT22);
timer.setInterval(2000, publish);
connect();
}
void loop() {
client.loop();
timer.run();
// Fitur reconnect
if (!client.connected()) {
connect();
}
delay(2000); // this speeds up the simulation
}
void connect() {
rgb(0, 0, 1); // RGB Merah
while (WiFi.status() != WL_CONNECTED) {
delay(500);
}
rgb(0, 1, 0); // RGB Hijau
// Koneksi ke broker
while (!client.connect("ESP32", "bitterprincess291", "Kabere02")) {
delay(500);
}
rgb(1, 0, 0); //RGB Biru
client.subscribe("hjn/#", 1);
}
void publish() {
TempAndHumidity data = dhtSensor.getTempAndHumidity();
String temp = String(data.temperature, 2);
client.publish("hjn/suhu", temp.c_str()); //pulish data suhu
String hum = String(data.humidity, 1);
client.publish("hjn/hum", hum.c_str()); //publish data lembab
}
void subscribe(String &topic, String &data) {
if (topic == "hjn/led") {
if (data == "nyala") {
digitalWrite(pinLED, 1);
} else {
digitalWrite(pinLED, 0);
}
}
}
void rgb(bool blue, bool green, bool red) {
digitalWrite(pinBlue, blue);
digitalWrite(pinGreen, green);
digitalWrite(pinRed, red);
}