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bigtime

A rather large wall clock using big 7-segment displays, powered by 802.3af power-over-ethernet, and synchronised using NTP over wired ethernet. Configuration is done using an interactive USB shell and stored in flash.

One of these clocks is deployed in each of Lecture Theatres 1 and 2 at the Department of Computer Science and Technology (formerly known as the Computer Lab), University of Cambridge, UK.

Photos of the front and back of the clock

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NTP-controlled clock with big 7-segment displays

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