need help on PABX and/or myoelectric prosthetics

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black_wing

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i'm currently an under grad and i'm currently doing my thesis and i need to build something.

i am currently choosing on two possible projects.
1. a low cost PABX
2. a controlling a device using myoelectric

on the PABX, i just want to create a low cost one to have at least 5 local numbers.

on the part of the myoelectric, i just want to build the amplifier circuit to amplify the myoelectric discharge of the skeletal muscles to be able to controll mechanical devices (prefably motors). its the same as the ones used at prosthetics which is controlled by the movements of the muscles.

does any body has any circuit diagram of any of these two?

please, your help would be appreciated...and i will also site your name on my papers...

thank you very much...
 
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