The ability to obtain the position of a servo depends on the brand of servo that you are using. When I need feed back from a servo mechanism, I use Dynamixel servos and I get them from Trossen Robotics.Here is a URL to look at:http://www.trossenrobotics.com/c/robotis-dynamixel-robot-servos.aspx?gclid=CJv0-LyYy60CFcfe4AodsE1QiAThese servos are fully programmable and you can daisy chain them together so you only have to use three wires to control multiple units.Robot shop http://www.robotshop.com has the necessary USB adapter to communicate directly with a chain of servos.Hope this information is useful.
Having a way to simply and easily (without modifications or other hacks) get the position of a standard R/C servo would go a long way to making small bipeds much more affordable.
Having a way to simply and easily (without modifications or other hacks) get the position of a standard R/C servo would go a long way to making small bipeds much more affordable. So far it seems like the only way is to hack the servo (and connect to the pot), or do the current monitoring method (a much better method, but still not ideal).
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