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Circuit for TENS or EMS

Circuit for TENS or EMS

Circuit for TENS or EMS

(OP)
I'm looking for a diagram for a TENS or EMS circuit.  Does anyone have one or know where one is posted?

RE: Circuit for TENS or EMS

I'll bite!  Just what is a TENS or EMS circuit?  WHat is it used for?  Give some details.

RE: Circuit for TENS or EMS

I've forgotten the exact acronym that TENS stands for(someting like Topical Electronic Nerve Stimulator?), but I've got a TENS unit and it works!.

It's basically a small battery powered unit used for pain management. You attach electrodes around the affected area - the lower back in my case - and you can "jam" the appropriate nerves responsible for pain conduction. This is done by tuning the variable frequency, variable amplitude pulse controls to find a setting that suits your particular condition.
   

RE: Circuit for TENS or EMS

I saw one in Elektor Electronics 'TENS ' . Search google for biomedical instrumentation I have seen plenty hobby sites employing 8051/PIC or even 555 for doing that  

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