Publication: Digital clock based on network time protocol synchronisation for home/office use
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Date
2021-07-01
Authors
Gunasegaran, Kerpan
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Abstract
Maintaining the perfect timing is a necessity in our life and clocks help us to keep track of the time. At places like colleges, hospitals and public transport stations, digital clocks are being implemented to show the time to public people. However, sometimes different clocks, even within the same geographical position, display different time from one another. This is because the clocks are isolated and maintained on individual basis and therefore, they are not synchronised. Taking into consideration the current growth of technology, this project aims at developing an Internet based solution for the problem. A real-time synchronised digital clock based on Network Time Protocol for home/office use, is successfully developed. The digital clock is smart enough to keep its time updated. It uses Wi-Fi connection to fetch time updates from the Network Time Protocol server periodically and displays the current time. By using time update interval of 30 seconds, the average time accuracy achieved by the digital clock for one week is 99.9982% and the average error in time for one day is 1.57 seconds. In addition, features such as easy configuration of Wi-Fi credentials, setting of time zone, time server update interval and time display format as well as enabling/disabling of daylight saving time are added into the digital clock system to make it user-friendly. In this thesis, the proposed digital clock system and its methodology which includes integration between the hardware and software as well as the overall working principle are explained. Also, the outcomes of this project are presented and discussed. Finally, the conclusion and project limitations are stated before recommending some potential future works.