arduino IDE编写实现OTA无线上传程序，ESP8266自动配网 读取SNTP服务器时间，读取DS19B20温度，在数码管上显示

硬件主控为ESP8266
温度传感器为DS19B20
显示为8段数码管
涉及到关键库为自动配网WiFiManager、获取SNTP服务器时间校准ESPPerfectTime、单总线读写温度DallasTemperature

//#include <sntp_pt.h>
#include <WiFiManager.h> //        
#include <ArduinoOTA.h>
#include <ESPPerfectTime.h>
#include <TZ.h>
#include <DallasTemperature.h>

//闪烁时间间隔(秒)Aa123456Hi  pqaguest
unsigned long t,tSave,tSave0,tSave1,tSave2;
int hour=9,minute=0,second=0;

//WiFiUDP ntpUDP;
//初始化为8小时的时间偏移60*60*8=28800   europe.pool.ntp.org
//NTPClient timeClient(ntpUDP,"europe.pool.ntp.org", 28800, 60000);

//const char *ntpServer = "ntp.nict.jp";//日本ntp服务器，获取时间慢
const char *ntpServer = "europe.pool.ntp.org";

void printTime(struct tm *tm, suseconds_t usec) {
   
  Serial.printf("%04d/%02d/%02d %02d:%02d:%02d.%06ld\n",
                tm->tm_year + 1900,
                tm->tm_mon + 1,
                tm->tm_mday,
                tm->tm_hour,
                tm->tm_min,
                tm->tm_sec,
                usec);

}
/********************  本地常量声明  **************************************************/
                             //   0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F   消隐 0x11 0x12   t   o   C    0x16
unsigned char  Display_Code[]={
    0xA0,0xFC,0x62,0x68,0x3C,0x29,0x21,0xEC,0x20,0x28,0x24,0x31,0xA3,0x70,0x23,0x27,0xFF,0X7F,0XFF,0x33,0x2E,0x83,0x40,0x20};  //段码


/******************** 本地变量声明  ******************************************/
unsigned char  COM_Buff[]={
   0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x00};   


/***************************管脚定义**************************************************/
int  P_HC595_SER   =