Good advice. No need to over design something if your not sure it will work.
"Frank Dresser" wrote in message
news:NTBdc.1512$K_.34795@bgtnsc05-

I'll suggest you try the alligator clip and wire first. It will be alot
easier to do any modifications. Also, you might find the whole experiment
isn't particularly helpful in your situation. If so, you might as well
find
out right away.

Frank Dresser