ESP32 iotproject हिंदी में - 2024 | Esp32 Se Banai Real Time Watch ⌚ | 0.96Inch OLED Display

 ESP32 iotproject हिंदी में - 2024 | Esp32 Se Banai Real Time Watch ⌚

0.96Inch OLED Display

#include <Wire.h>                     // For I2C communication

#include <Adafruit_GFX.h>             // For graphics

#include <Adafruit_SSD1306.h>         // For OLED display

#include <WiFi.h>                     // For WiFi

#include <NTPClient.h>                // For NTP Client

#include <WiFiUdp.h>                  // For UDP

// Replace with your network credentials

const char* ssid     = "ssid";

const char* password = "password";

// OLED display dimensions

#define SCREEN_WIDTH 128

#define SCREEN_HEIGHT 64

// Create an instance of the display

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

// NTP Client setup

WiFiUDP udp;

NTPClient timeClient(udp, "pool.ntp.org", 19800); // 19800 seconds offset (5 hours 30 minutes) for IST

void setup() {

  Serial.begin(115200);

 

  // Initialize the OLED display

   if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {

    Serial.println(F("SSD1306 initialization failed!"));

    for (;;);

  }

  display.display();

  delay(2000);

  display.clearDisplay();

  // Connect to WiFi

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println("Connected to WiFi");

  // Initialize NTPClient

  timeClient.begin();

  timeClient.setTimeOffset(19800); // IST offset (5 hours 30 minutes)

}

void loop() {

  timeClient.update();

  // Get the current time

  String formattedTime = timeClient.getFormattedTime();

  // Clear the display

  display.clearDisplay();

  // Display the time

  display.setTextSize(1);      

  display.setTextColor(SSD1306_WHITE);  

  display.setCursor(20,0);    

  display.print("Current Time:");

    display.setTextSize(2);  

  display.setCursor(10,25);

  display.print(formattedTime);

 

  display.display();

 

  delay(1000); // Update every second

}