Looking for the best metal detector for your budding detectorist ... or Pulse Induction (PI) technology, along with other advanced features like ground balancing. “Equipped with these ...

[Dzl] and his rather serious looking son are metal detector enthusiasts ... The last part of the build was to find the best coil orientation. They settled on thirty turns around a metal bucket.

[Laena] and her colleagues at the La Trobe Institute for Molecular Science in Melbourne, Australia used a Raspberry Pi to make a low-cost electrochemiluminescence (ECL) detector to measure ...