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Arduino (ESP8266) based NTP Client
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examples/ExampleNTPClient
NTPClient.cpp
NTPClient.h
README.md
library.json
library.properties

README.md

This is a NTP client for the ESP8266/Arduino platform. It was originally based on the example NTP client bundled with the Arduino Time library, but is largely rewritten.

Example results with a local NTP server and a 47ppm drift corrected by manual configuration: https://dan.drown.org/esp8266/esp8266-ntp-with-static-47ppm.png

The purple errorbars are the uncertainty added to the offset by the round trip time. The cyan line is to give a reference of what -0.259ppm looks like.

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