Parallax''s Robotics manual related question
Archiver
Posts: 46,084
In a message dated 10/4/00 12:27:30 PM Central Daylight Time,
nags@c... writes:
> I know this question was already posted by someone in the recent past and
> was also answered by somebody. So, pardon the repeat!!
> In the above manual, we use a 3300mf cap across the Vdd and Vss, can anyone
> tell me why ? Also, why is the servo connected to Vin and not Vdd ? I
> thought I knew why, but, I had amnesia [noparse]:)[/noparse]
The cap keeps motor noise (from the servo) from upsetting the Stamp. The
servo is connected to Vin (6 VDC) because it performs better at 6V and won't
put any load on the regulator.
nags@c... writes:
> I know this question was already posted by someone in the recent past and
> was also answered by somebody. So, pardon the repeat!!
> In the above manual, we use a 3300mf cap across the Vdd and Vss, can anyone
> tell me why ? Also, why is the servo connected to Vin and not Vdd ? I
> thought I knew why, but, I had amnesia [noparse]:)[/noparse]
The cap keeps motor noise (from the servo) from upsetting the Stamp. The
servo is connected to Vin (6 VDC) because it performs better at 6V and won't
put any load on the regulator.