[GRLUG] Time Clocks and Software

[Adam Tauno Williams]

On Wed, 2011-01-26 at 08:34 -0500, Ben Rousch wrote: 
> On Wed, Jan 26, 2011 at 12:06 AM, Bill Littlejohn <billl at mtd-inc.com> wrote:
> >> We have a series of intercoms in the shop that emit a buzz to let
> >> people know when it's time to start work, go to lunch, or go home. Our
> >> current time clock software sets a schedule for those buzzers and
> >> stores it on the time clock. The time clock then trips a relay (or
> >> something like that) at the appropriate time. The inexpensive clocks
> >> do not seem to have to capability to control such a buzzer system.
> I've just started looking into plug computers, like the SheevePlug. A
> Linux install on a wall wart, with a USB port.
>  Maybe I can plug in one
> of the previously-suggested USB relays and create a fairly simple
> system. http://en.wikipedia.org/wiki/SheevaPlug

Everyone I've talked to who has used such devices reports a very high
failure-rate [short life].



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