I don't have a ton of experience in electronics, so I don't know the
specs of my motor in terms voltage and amplitude... But I would like
to have a motor that can provide probably every force from about 0-5
pounds... it doesn't need to be that strong. Also, I need to be able
to connect 2 motors simultaneously, or have the single motor able to
reverse its direction if it needs to. I hope you can find something
like that. Thanks.
On Mon, 16 Jun 2008 19:25:16 -0700 (PDT), firstname.lastname@example.org wrote:
Reversible motors are generally available in all sizes and power
ranges without substantial penalty in size, cost, efficiency, etc.
over other motor types, and so a single reversible motor is just about
always preferable to using two motors.
The "force of 5 pounds" helps a little, but doesn't tell the whole
story. You could run a small slot-car motor on an AA battery and gear
it down enough to lift 5 lbs, but it could take it a minute to lift it
one foot. How fast would you want this 5 pounds lifted/moved? This
would help give a size to the motor and find the appropriate driving
See "http://www.roboteq.com " for some motor controllers. There
are cheaper solutions, but if all you need is bidirectional motor speed
control from a serial port, they have that. Their
stuff is also hard to blow out if you make a mistake and is well
protected against overloads. Their controllers start at $145.
If you need to control motor position, not just speed, things
get more complicated. But you said "speed", so I won't go into
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