31 May '15, 5am

Transparent Alarm Clock Runs Linux

Transparent Alarm Clock Runs Linux

[Benoit] was using an extremely old alarm clock which normally ran on mains power, and he plugged it in to his computer’s UPS to keep it operational during power outages. He noticed that when the UPS switched on that the clock would run fast, though, and apparently it was keeping time by watching the power system frequency. To solve this problem he created his own feature-dense clock which runs Linux . This alarm clock has everything: seven-segment displays housed in clear epoxy, a touch interface, battery backup, the ability to retrieve the time from an NTP server, and a web interface to change the clock’s settings over the network. That was a large part of [Benoit]’s decision to have the clock run Linux; the network capabilities add a lot of functionality to the clock like the ability to send commands to other devices at particular times. The clock runs on an Aria G25 SO...

Full article: http://hackaday.com/2015/05/30/transparent-alarm-clock-ru...

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