Metal detector based on Raspberry pi Pico

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 Pulse  induction metal  detection  relies  on the  fact  that  when metal  is  in  a changing  magnetic field,  eddy  currents  are  induced  in the  metal.  These  eddy  currents  form  complete  circuits  which  are equivalent  to  electro-magnets  which  generate  their  own  magnetic  fields.  As  these&...

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