lcd

I'm new to this area, so please don't blame me if I ask strange questions. I would like to know if it is possible to design and make my own metal detector that can see the response or dynamics of the implementation of the metal detector through the display.

WANTED: Garrett AT Pro Display (2012), or AT Pro parts machine with good display. WANTED: ISO Garrett AT Pro Display (2012 model), or AT Pro parts machine with good display. Let me know if you have either available please, and price. Thanks in advance!!