View source for WeMOS: D1 R1 mini NTP 7 Segmen TM1650 I2C

 /*
   SDA - pin D2
   SCL - pin D1
 */
 
 #include <Wire.h>
 #include <TM1650.h>
 #include <NTPClient.h>
 #include <ESP8266WiFi.h>
 #include <WiFiUdp.h>
 
 const char *ssid     = "o3";
 const char *password = "Dzaq1993!";
 const long utcOffsetInSeconds = 25200;
 char daysOfTheWeek[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};
  
 TM1650 d;
 
 // Define NTP Client to get time
 WiFiUDP ntpUDP;
 NTPClient timeClient(ntpUDP, "pool.ntp.org", utcOffsetInSeconds);
 int hh, mm, ss;
 char cWaktu[5];
 
 void setup() 
 {
   Wire.begin(); //Join the bus as master
 
   Serial.begin(115200); //Start serial communication at 9600 for debug statements
   Serial.println("TM1650 Example Code");
 
   d.init();
 
   Serial.begin(115200);
   WiFi.begin(ssid, password); 
   while ( WiFi.status() != WL_CONNECTED ) {
     delay ( 500 );
     Serial.print ( "." );
   }
   timeClient.begin();
 }
 
 void loop() {
   timeClient.update();
   hh = timeClient.getHours();
   mm = timeClient.getMinutes();
   ss = timeClient.getSeconds();
   Serial.print(daysOfTheWeek[timeClient.getDay()]);
   Serial.print(", ");
   Serial.print(hh);
   Serial.print(":");
   Serial.print(mm);
   Serial.print(":");
   Serial.println(ss);
   // Serial.println(timeClient.getFormattedTime());
   // delay(1000);
 
   if ( hh>9 ) {
     String temp_str = String( hh*100 + mm );
     temp_str.toCharArray(cWaktu,5);
   } else {
     String temp_str = " " + String( hh*100 + mm );
     temp_str.toCharArray(cWaktu,5);
   }
 
   d.displayString( cWaktu ); // menampilkan waktu
   delay(500); // tunggu selama 1 detik
 
   for (int i = 0; i<20; i++) {
     for (int j = 0; j<4; j++) {
        d.setDot(j,true);
        delay(200);
     }
     for (int j = 0; j<4; j++) {
        d.setDot(j,false);
        delay(200);
     }
   }
   
 }