How to Build Your Own Metal Detector? StepByStep Guide
Sep 17, 2019#0183;#32;Tape the wire to it, and coil it approximately 150 times around the cylinder; make sure you leave around 2 inches of wire on both ends. With a sharp object remove insulation from the ends (you can use lighter or scissors). Once youve completed this step, take your perfboard and place the IC socket in the middle.