If you think of a metal detector, you’re probably thinking of a fairly simple device with a big coil and a piercing whine coming from a tinny speaker. [mircemk] has built a more modern adaptation.

In the manufacturing of tablets and capsules, there is a chance of contamination of metal pieces either ferrous or nonferrous, tramp metal i.e., digger teeth, axe heads, etc. in their final form. It ...