Arduino arm sensor question

Alright so I wana make a arm and Webb I twist my arm I want an artificail arm to twist with it I don't no if there is any sensors made todo that and if so what r they I just don't no I'm kinda clueless on how to have somthing sense ur arm twisting

Well, you could make a frame, known as a "waldo" controller; something like this:

http://www.character-shop.com/images/diswldo1.jpg

As you can see, they tend to be complicated.

Another possibility would be to put reflective or colored "markers" on the joints of your arm, then use a PC to track the dots positions and orientations using a couple of web cameras and some vision software (plus FK and RK - forward kinematics and reverse kinematics - algorithms). Once again, fairly complex.

What you are asking to do isn't going to be easy, and there really aren't any "off the shelf" solutions - there isn't an "arm tracking" solution that you can easily buy (ok, actually there is - look into motion capture software and hardware - the good quality stuff isn't cheap; plan to spend $5k and up).

You might (I stress -might-) be able to get away with tracking a single point in 3D (position and orientation), perhaps using one of those 3D gyro mouse devices or maybe a Wii controller, and then use RK and knowledge of the lengths/joint ranges of the human arm to model its position (known as an "arm solution", actually). This kind of implementation could be fairly cheap, but not very accurate, and not easy to program.

There really aren't any easy or cheap solutions to this problem, unfortunately.

:-/

Well, you could make a frame, known as a "waldo" controller; something like this:

http://www.character-shop.com/images/diswldo1.jpg

As you can see, they tend to be complicated.

Another possibility would be to put reflective or colored "markers" on the joints of your arm, then use a PC to track the dots positions and orientations using a couple of web cameras and some vision software (plus FK and RK - forward kinematics and reverse kinematics - algorithms). Once again, fairly complex.

What you are asking to do isn't going to be easy, and there really aren't any "off the shelf" solutions - there isn't an "arm tracking" solution that you can easily buy (ok, actually there is - look into motion capture software and hardware - the good quality stuff isn't cheap; plan to spend $5k and up).

You might (I stress -might-) be able to get away with tracking a single point in 3D (position and orientation), perhaps using one of those 3D gyro mouse devices or maybe a Wii controller, and then use RK and knowledge of the lengths/joint ranges of the human arm to model its position (known as an "arm solution", actually). This kind of implementation could be fairly cheap, but not very accurate, and not easy to program.

There really aren't any easy or cheap solutions to this problem, unfortunately.

Alright ibhace though about trackin with webcams and all that I have done sum of that and think it's over my head but that is a very good idea using maby acceleromuters and Gris and heck maby even a tilt sensor