AVR-Chat

On Apr 10, 2005, at 9:32 PM, Roy E. Burrage wrote:

>  With a drill press, a 19 inch relay rack panel, and some incandescent 
> displays you can do it for not a whole lot of money.  It may be a bit 
> time consuming but it's also visible in daylight.  If you multiplex 
> segments you might also want to use isolation diodes for each segment.

Have thought of building my own using Christmas tree pixie lights and 
triac drivers. OTOH this application is run off a battery. Usually a 
car battery to ensure a laptop also stays powered. If the scoring 
system fails one suddenly has 300 upset riders, no matter that a manual 
backup is kept.

--
David Kelly N4HHE, dkelly@HiWAAY.net
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Whom computers would destroy, they must first drive mad.