That's very true. thanks!

Tamas


On 11/22/06, Timothy J. Weber <tw@timothyweber.org> wrote:
>
> Tamas Rudnai wrote:
> > Thanks everyone for the answers. It is a really small item, an airplane
> > model propeller. Basically I just wanted to make a simple rotation speed
> > measurement device and thought I just can put something together with my
> > existing components I have at home at the moment -- and also to learn
> > something from it.
>
> I've fooled around with making optical "buttons" out of LEDs.  My
> experience is that, while LEDs can be used as optical sensors,
> phototransistors and photodiodes are more sensitive.  So, for a one-off
> project, they'll be easier to get up and running, and the increased cost
> is negligible.
> --
> Timothy J. Weber
> http://timothyweber.org
> --
> http://www.piclist.com PIC/SX FAQ & list archive
> View/change your membership options at
> http://mailman.mit.edu/mailman/listinfo/piclist
>



-- 
unPIC -- The PIC Disassembler
http://unpic.sourceforge.net
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist