[GRLUG] Time Clocks and Software

[Adam Tauno Williams]

On Tue, 2011-01-25 at 16:48 -0500, Ben Rousch wrote: 
> I got a quote from my vendor and it nearly gave me a heart attack. I'm
> heavily leaning towards the stand-alone time clock I mentioned
> earlier. The only problem I see is that it does not have a buzzer
> control system.
> 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 not a low-level kind of guy, but it seems like it shouldn't be too
> hard to put something together for cheap. Basically I'd need something
> with an accurate onboard clock, that can store a list of times, have a
> way to modify that schedule occasionally, and trip a relay for 1 or 2
> seconds when those times come up. Alternatively I'd need something
> that would trip the relay when it receives a signal from some other
> computer, maybe via wifi or ethernet.
> Any of you hardware hackers have advice for me?

<http://www.emx.net.au/super4usbrelay.htm>


-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.