Re: Servo driver question.
I wrote an article a couple of years ago with a similar
circuit to investigate the signals that servos responded
to. Each servo has its specific characteristics that
you need to understand to use it to its potential.
See my article/circuit at:
--- In SeattleRobotics@y..., "Frank Gutierrez" <fwankg@y...> wrote:
> I have built the following schematic.
> The circuit works very well. But I have a question. I've read
> servos need 1mS to 2mS to operate. When I turn the pot. to both
> extremes, the servo (Futaba 3003) only travels 90 degrees. I want
> this servo to travel 180 degrees or better. I also hooked up an o-
> scope to its output and the on-time is very close to 1mS to 2mS.
> you would think that the servo would turn to pretty close to it's
> extremes. Is there something I don't know about the circuit or am
> asking too much?
> Thanks in advance.
> Frank G.