Network Clock using ESP8266 and OLED display

Network Clock using ESP8266 and OLED display

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There are several situations where using an RTC could adversely affect your project by increasing cost, size, time accuracy or IO requirements. To prevent this, especially in ESP/WiFi-based or other clock-reliant projects, makers usually turn to obtain time information from NTP servers. I recently came across a project by BitsandBlobs which used standalone NTP Servers and I felt it might be one of the best ways to introduce to this concept. So for today’s tutorial, we will build an NTP Based Network Time Clock based on “BitsandBlobs” build.

NTP (Network Time Protocol) is an internet protocol used for synchronizing clocks on computer networks within a few milliseconds of universal coordinated time (UTC). Using this protocol, devices can request and receive UTC data from an NTP server which usually receives precise time from an atomic clock.

The WiFi capabilities of the ESP8266 based Wemos D1 mini will be used in obtaining time information from a public NTP server and it will be displayed in a user-friendly manner on an OLED display.

At the end of this project, you would know not only how to obtain time information from NTP servers, but also how to use the WemosD1 for your WiFi projects.

Network Clock using ESP8266 and OLED display – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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