update.ino

#include <WiFiClient.h>
#include <ESP8266httpUpdate.h>

const char* url = "http://update.cryptoclock.net/esp/update?model=3DA0100&md5=none";
const char* ssid = "YOUR_WIFI_NETWORK_NAME";
const char* password = "YOUR_WIFI_PASSWORD";

void setup(void){
  Serial.begin(115200);
  Serial.println();
  Serial.println("Booting Sketch...");
  WiFi.mode(WIFI_AP_STA);
  Serial.println("Connect!");
  WiFi.begin(ssid, password);
  while(WiFi.waitForConnectResult() != WL_CONNECTED){
    Serial.println("Not connected ...");
    WiFi.begin(ssid, password);
  }
  Serial.println("Updating ...");
  ESPhttpUpdate.update(url);
}

void loop(void){
}