Arduino connection with servo motor

hello,
im working on senior project , want connect arduino servo motor. first need servo able detect angle(using in tires)..
1) types of servo motors contain "detection" feature(list of servos)?
2) type of arduino can control servo motors(if available no addition of shield arduino)?


thanks lot 

                                                                                   

awf

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to detect angle, mean feedback signal ?
http://www.adafruit.com/products/1449

the servo motor library can used arduino board far know.
http://arduino.cc/en/reference/servo
but servo motors need seperate power supply. 5v pin of arduino can not power servo motor.

what kind of servo motor talking ? small servo motors, 1 used in rc cars ? or big industrial servo motors ?

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