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RTC Clock Sync with the NTP Protocol on ESP8266 Arduino

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Sync RTC clock with NTP

Libs

You must have the libs:

You can install from Arduino/ Manage Libraries menu

Wifi

Copy WifiPass.h.config to WifiPass.h and change the ssid and password to your wifi network information.

Parameters

Change the NTP_SERVER to a suitable server.

#define NTP_SERVER "0.us.pool.ntp.org"

Change the GMT time zone GMT_TIME_ZONE you can add a signed number

#define GMT_TIME_ZONE -7

You can force the time sync after the first time changing the FORCE_RTC_UPDATE to a random number between 0-255

#define FORCE_RTC_UPDATE 2

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