I have code for driving two servos from a 16F84 (interrupt
driven).  It is on my web page under the BiMo robot,
http://www.ee.calpoly.edu/~jcline/labbook.htm
(I actually used hs-300 servos).



>
> On Mon, 4 May 1998 16:59:49 +0800, you wrote:
>
> >Hi all
> >When using PWM to drive servos (hs-300), I know you need a pulse width
> >of 1mS to 2mS, but do the pulses "have" to be 20mS apart or can the be
> >less,
> >say 1mS?
> They need to be around 20ms, certainly 1ms is too short. I have a
> simple circuit to allow RC servos to be driven from the 16C74 PWM
> port. let me know if you're interested.
>      ____                                                           ____
>    _/ L_/  Mike Harrison / White Wing Logic / wwl@netcomuk.co.uk  _/ L_/
>  _/ W_/  Hardware & Software design / PCB Design / Consultancy  _/ W_/
> /_W_/  Industrial / Computer Peripherals / Hazardous Area      /_W_/
>