#include <WiFi.h>
#include <MQTT.h>
const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";
const int pinRed = 2;
const int pinGreen = 4;
const int pinBlue = 16;
WiFiClient net;
MQTTClient client;
void setup() {
pinMode(33, OUTPUT);
pinMode(pinRed, OUTPUT);
pinMode(pinGreen, OUTPUT);
pinMode(pinBlue, OUTPUT);
Serial.begin(9600);
WiFi.begin(ssid, pass);
client.begin("broker.emqx.io", net);
client.onMessage(diterima);
connect();
}
void loop() {
client.loop();
delay(10);
// client.publish("kelasiot/mantap", "ini datanya");
}
void connect(){
Serial.print("Menghubungkan ke WiFi");
while(WiFi.status() != WL_CONNECTED){
rgb(1,0,0);
delay(500);
}
rgb(0,1,0);
while(!client.connect("TIDAK BOLEH SAMA!!")){
Serial.print(".");
}
rgb(0,0,1);
client.subscribe("kelasiot/lampu/#", 1);
}
void diterima(String &topic, String &data){
if(topic == "kelasiot/lampu/dapur"){
if(data == "true"){
digitalWrite(33, 1);
Serial.println("nyala");
} else {
digitalWrite(33, 0);
Serial.println("mati");
}
}
}
void rgb(bool red, bool green, bool blue) {
digitalWrite(pinRed, red);
digitalWrite(pinGreen, green);
digitalWrite(pinBlue, blue);
}