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Sensors, Actuators, and Robotics » Servo or something else?

November 10, 2009
by FWSquatch
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I'm working on a project where I want to turn a disc to a certain orientation kind of like a servo, but I need it to go 360 degrees. It's my understanding that servos don't normally give you that big of range. Are there servos that do that or do I need something else?

November 10, 2009
by mikedoug
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It might be overkill, but a stepper motor would definitely do the trick: http://en.wikipedia.org/wiki/Stepper_motor. You could control it with pretty high precision as well.

Someday (maybe years from now), I'm going to do something like a CNC... Just because. :)

Some quick Googling I find servos that do 360 degrees -- and talk about how you can modify other servos to have longer ranges as well...

http://www.embeddedtronics.com/servo.html http://www.rcgroups.com/forums/showthread.php?t=705088

Disclaimer: I know 0 about servos. :)

November 11, 2009
by FWSquatch
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Thanks, Mike. You were right. I was making this harder than it actually is. I found a few servos that sound like they'll do the trick.

November 11, 2009
by mikedoug
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FWSquatch,

No worries. I like seeing questions people ask and trying to find answers -- even when I have 0 experience with the item in question.

I eagerly await some components from the Nerds as well as SparkFun -- sensors, transmitters, receivers... Mmmm... It's going to be fun.

MikeDoug

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