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'[PIC]: PIC with Servo motor'
2000\11\12@223013 by -=devicemicro

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Hi,

Is there anybody has a circuits that PIC control the servo motor instead of
stepper?

Any help will be appreciated. Thanks in advance.

cheerrrrrrrrssssss,
-=ianc=-
Does Ironman still using old microcontroller chip?
If so,let's upgrade to a more powerful microcontroller.
By then, we program to fly beyond the 1 foot above the ground.


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2000\11\13@024241 by Francois Robbertze

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part 1 1333 bytes content-type:text/plain; (decoded 7bit)

Hope this help (by Dale Botkin & B. Knudsen Data)

A 1.5ms bitstream (with a 20ms between pulses) will take the servo to the
center. 1 to 1.5ms will move the servo in one direction (for example 1.25ms
wil move appr. half way to the one direction) and 1.5 to 2 will move it in
the other direction...
(Note: Above timings vary from servo to servo eg. some servo's center's can
be at 1.52ms)

Francois

{Original Message removed}
part 2 13972 bytes content-type:application/x-zip-compressed; (decode)

part 3 228 bytes
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2000\11\13@120524 by Olin Lathrop

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> Is there anybody has a circuits that PIC control the servo motor instead
of
> stepper?

You didn't give any particulars, so my generic answer is to control the
servo motor from the PIC PWM output and use something like a PID controller
in the software to make it do what you want.  Of course this also assumes
the motor position is fed back to the PIC.


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Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, .....olinKILLspamspam@spam@cognivis.com, http://www.cognivis.com

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