Make your own truth finder

[wambat]

Go here:http://www.hackcanada.com/ice3/wetware/lie_detector_circuit_2.html :rolleyes:

[The Viking]

Can I suggest an upgrade?

If you, in parallel with C1, attach a mains feed via a momentary push switch then you would be able to give instant corrections.

Just a thought...

[wambat]

Doing that would require you to make a new unit after every time you push the botton, very expensive what:eek:

[The MG Pony]

Ah relays, they make the zap go round n round ;)