// #include <ESP8266WiFi.h> // Untuk ESP8266
#include <WiFi.h>
#include <MQTT.h>
#include <ESP32Servo.h>
#include <NusabotSimpleTimer.h>
WiFiClient net;
MQTTClient client;
Servo servo;
NusabotSimpleTimer timer;
const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";
// Variabel Pin GPIO
const int pinMerah = 27;
const int pinHijau = 26;
const int pinBiru = 25;
const int pinLED = 33;
const int pinServo = 18;
const int pinPot = 35;
int pot, oldPot = 0;
void setup() {
pinMode(pinMerah, OUTPUT);
pinMode(pinHijau, OUTPUT);
pinMode(pinBiru, OUTPUT);
pinMode(pinLED, OUTPUT);
servo.attach(pinServo, 500, 2400);
WiFi.begin(ssid, pass);
client.begin("agusarii.cloud.shiftr.io", net);
client.onMessage(subscribe); // Mengekseskusi fungction "subscribe" setiap kali ada data yang diterima
timer.setInterval(1000, publish);
connect();
}
void loop() {
client.loop();
timer.run();
// Fitur reconnect
if(!client.connected()){
connect();
}
delay(10); // this speeds up the simulation
}
void connect(){
rgb(1,0,0); // Merah
while(WiFi.status() != WL_CONNECTED){
delay(500);
}
rgb(0,1,0); // Hijau
while(!client.connect("serialn12345wkwkwk001", "agusarii", "4ZMFndbPJLDX1gRl")){
delay(500);
}
rgb(0,0,1); // Biru
client.subscribe("Hadeh01/#", 1);
}
void publish(){
pot = analogRead(pinPot);
//
// Publish jika hanya terjadi perubahan nilai potentiometer
if(pot != oldPot){
client.publish("Hadeh01/potentiometer", String(pot), false, 1);
oldPot = pot;
}
}
void subscribe(String &topic, String &data){
if(topic == "Hadeh01/led"){
if(data == "nyala"){
digitalWrite(pinLED, 1);
} else {
digitalWrite(pinLED, 0);
}
}
if(topic == "Hadeh01/servo"){
int pos = data.toInt();
servo.write(pos);
}
}
void rgb(bool red, bool green, bool blue){
digitalWrite(pinMerah, red);
digitalWrite(pinHijau, green);
digitalWrite(pinBiru, blue);
}