The TB-007 smart robot is equipped with a metal detector and is based in an Arduino with a motor shield which has the ability to control the two main motors, including a stepper motor and three servos ...

[Dzl] and his rather serious looking son are metal detector enthusiasts. But when they couldn’t find their store-bought metal detector earlier this summer they just went ahead and built their own.

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.