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 Post subject: Servos range
PostPosted: Wed Feb 20, 2013 7:44 pm 

Joined: Wed Feb 20, 2013 7:40 pm
Posts: 3
I've seen all the servomotors cooking-hacks offers to buy, but I need to know which is the range of those servos (I'd like a ~300 degree range servo, but not continuous one).

The range of the servos rarely appears at the shop. Does that mean that all servos have the same range? Or how could I know which range has each servo?


Thank you in advance


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 Post subject: Re: Servos range
PostPosted: Thu Feb 21, 2013 8:08 am 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hello blas_001,

You can see servo range in the product page.

For example:

http://www.cooking-hacks.com/index.php/ ... -15kg.html

Code:
Details

The DF15MG is a double bearing, high torque ~150 degree rotation servo.


Regards.


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 Post subject: Re: Servos range
PostPosted: Thu Feb 21, 2013 6:06 pm 

Joined: Wed Feb 20, 2013 7:40 pm
Posts: 3
It is true in that servo, but in the rest of servomotors the range doesn't appear, for example
http://www.cooking-hacks.com/index.php/ ... large.html

How could I know that range?

Thanks


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 Post subject: Re: Servos range
PostPosted: Tue Feb 26, 2013 6:00 pm 

Joined: Mon Sep 28, 2009 12:06 pm
Posts: 11366
Hello blas_001,

This is the original product:

https://www.sparkfun.com/products/9064

http://www.sparkfun.com/tutorials/283

Code:
The servo's position is controlled by the width of the pulse you send to the servo. If you want the servo to move to its minimum position (0 degrees), you'd send it a pulse that's 1ms wide (ms is milliseconds, or one 1000th of a second). If you want the servo to move to its maximum position (180 degrees), you'd send it a pulse that's 2ms wide.  Anything between 1.0ms and 2.0ms will correspond to all the positions between minimum and maximum. Servos like to be regularly updated, so you'll typically send these commands every 20ms or so (50 times per second), even if there's no change in the servo's position.
+

Regards.


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