On 9/5/05, Bob Blick <bblick@sonic.net> wrote:
> 
> > White or yellow to look more like stars. RGB LEDS would be cool but
> > much more costly.
> 
> White LEDs are too slow to use in a propeller clock :(

 Hi Stef, hi Bob.

White LEd's maybe not but laser diodes yes (assuming a planetarium has
a surface for composing the image). And there are a plenty lasers in
red colour with less than 1 euro/pcs.

cheers
Vasile

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