Any ideas or thoughts on making a edge finder come touch off tool

[cropwell]

I have got some Quantum Tunnelling Compound pills. These are basically 3x3x1 mm pieces that look like black rubber, but when compressed they change from an insulator to a good conductor with a sharp transition, when I have the time I am going to play with making a touch probe with them. I am intrigued to know how sensitive and accurate they will turn out.

Cheers,
Rob

[suesi34e]

Hi Rob,
Very best of luck with that it sounds complex to me! I shall go for something basic.
All the best
Suesi