isit because ULN drives at full step?
and i noticed the sample controller, is not logic buffered, does it affect?
benjamin.w Wrote:
-------------------------------------------------------
> i just finished making the instructables and it
> works well. like you said the encoder hasnt got
> enough steps for my desired control and i now need
> an encoder that has more like 64 steps. i've been
> looking and i dont understand a lot of the
> information that encoder data sheets show. i know
> that it needs 64 ppr, 2 channels, 90 degrees
> square wave, but what i dont understand is the
> contact rating. the one i used is a 10mA 5V DC.
> would it matter if it is say a 1mA 10v or a 10mA
> 10v. i say this because i have a few encoders with
> different ratings they work with my circuit. will
> it cause damage or poor performance if the rating
> of the encoder is wrong?
>
> thanks
and i noticed the sample controller, is not logic buffered, does it affect?
benjamin.w Wrote:
-------------------------------------------------------
> i just finished making the instructables and it
> works well. like you said the encoder hasnt got
> enough steps for my desired control and i now need
> an encoder that has more like 64 steps. i've been
> looking and i dont understand a lot of the
> information that encoder data sheets show. i know
> that it needs 64 ppr, 2 channels, 90 degrees
> square wave, but what i dont understand is the
> contact rating. the one i used is a 10mA 5V DC.
> would it matter if it is say a 1mA 10v or a 10mA
> 10v. i say this because i have a few encoders with
> different ratings they work with my circuit. will
> it cause damage or poor performance if the rating
> of the encoder is wrong?
>
> thanks