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Adjustable led flash rate.

 
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rb8720



Joined: 04 Jun 2007
Posts: 13

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Adjustable led flash rate.
PostPosted: Mon Oct 01, 2007 2:07 pm     Reply with quote
I wan to build an led flasher using a 12f683 and some sort of dial that I can turn to adjust the flash rate. I want to be able to turn the dial or wheel to make the flash rate increas or decrease accordingly. Can anyone help with get start with some sample code.

Thanks,
Rb8720
treitmey



Joined: 23 Jan 2004
Posts: 1094
Location: Appleton,WI USA

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PostPosted: Mon Oct 01, 2007 2:39 pm     Reply with quote
Sorry, no code. It looks simple enough.
Looks like you have a A to D converter and a timer.
1)setup timer, on trip of timer, toggle LED
2)setup A to D for correct pin
3)wire a 10k pot to A to D like the PICDEM 2 plus schematic show.
R16
http://ww1.microchip.com/downloads/en/DeviceDoc/PICDEM%202%20Plus%20RoHS.pdf


In software read A to D, when it changes, have the new value set a new value in timer.
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