piclist 2001\02\11\143848a >
face BY : David VanHorn email (remove spam text)

>I didn't realise that you could drive 2 servos with a 16F84, so do you need
>to add say 2
>hardware timers etc.?
>Could you kindly provide some sample code snippets and schematics for a

One timer.

You update each servo in turn. You're out of servos when you're out of pins :)
(And you can get clever about that)

The servos normally get a pulse about every 20mS.
So, you can output as many as 10 servos without them noticing, simply by
taking turns.
You can do it in paralell too, but that's a little harder.

Dave's Engineering Page: http://www.dvanhorn.org
Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9

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Subject (change) PIC16F84/16F877 ISR SERVO CONTROL

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