You are correct.

There are several projects using RC servos, including one I did as a
tester/exerciser that is available in the PICList projects archives or
from my web page.  It's fairly easy stuff.

Dale

On Thu, 19 Oct 2000, Francois Robbertze wrote:

> I think I got my answer now!!
>=20
>=20
> 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 1.25=
ms
> wil move appr. half way to the one direction) and 1.5 to 2 will move it i=
n
> the other direction...
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> Please correct me if i'm wrong...
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> Kindest regards
>=20
> Francois
>=20
>=20
> ----- Original Message -----
> From: Francois Robbertze <fr10@PIXIE.CO.ZA>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Thursday, October 19, 2000 11:43 AM
> Subject: [PIC]:RC aircraft servo controlled by 16F84
>=20
>=20
> Dear Piclist members,
>=20
> I want to use a old RC aircraft servo in one of my pic applications...Can
> someone direct me to a page on the net. (I get a error when searching the
> archives)
>=20
> 1. The servo (FUTABA S100) has three wires (red, black and white). Can
> someone help me with the connections (eg. black - gnd; red - +5V; and whi=
te
> +5V signal from pic???)
>=20
> 2. As I understand the servo move one increment in one direction when a
> 100ms pulse is applied and in the opposite direction if a 200ms pulse is
> applied?
>=20
> 3. Is there some feedback from the servo that you can determine the posit=
ion
> of the rotor (if not how does the servo know the center position every ti=
me
> I switch it on in the aircraft?
>=20
>=20
> Kindest regards
>=20
> Francois
>=20
>               lllllllllll
>              \\  ~ ~ //
>              ( @ @ )
> o------oOOo-(_)-oOOo-----o
> |                                   |
> |   Francois Robbertze    |
> |    fr10@mweb.co.za     |
> |                                   |
> o--------.oooO-Oooo.-------o
>=20
> --
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>=20
> --
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>=20
>=20
>=20

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