#include <WiFi.h>
#include <time.h>
#include <stdlib.h>
#include <PubSubClient.h>
#include <ESP32Servo.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// Import Seven segment library
char clientId[50];
int spin1 = 15;
Servo servo1;
int spin2 = 4;
Servo servo2;
int spin3 = 12;
Servo servo3;
// Declare date variable
// Configure Seven segment
WiFiClient espClient;
PubSubClient client(espClient);
void setup()
{
Serial.begin(115200);
// Declare pins
servo1.attach(spin1,500,2400);
servo2.attach(spin2,500,2400);
servo3.attach(spin3,500,2400);
// Initiate Seven segment
if(!display.begin(SSD1306_SWITCHCAPVCC,0x3C))
{
Serial.println(F("SSD1306 ALLOCATION FAILED"));
for(;;);
}
WiFi.mode(WIFI_STA);
WiFi.begin("Wokwi-GUEST", "");
client.setServer("broker.emqx.io", 1883);
client.setCallback(callback);
}
void mqttReconnect()
{
while (!client.connected())
{
Serial.print("Attempting MQTT connection...");
if (client.connect(clientId))
{
Serial.println("Connected");
client.subscribe("topicName/time");
}
else
{
Serial.println("Connection failed trying again in 10 seconds");
delay(5000);
}
}
}
void callback(char* topic, byte* message, unsigned int length)
{
String stMessage;
for (int i = 0; i < length; i++)
{
stMessage += (char)message[i];
}
// Print date
// Convert date format into number
}
void loop()
{
if (!client.connected())
{
mqttReconnect();
}
client.loop();
// Set the number
// Display the number
// delay() function
}