Circuit Diagrams Archive Newest circuit diagrams.Metal Detector A single chip metal detecor with a range of a few inches.This is useful for decting nails or screws in walls and floors,or for loing ...

Metal Detector Circuit Diagram and Working 31 07 2017· Metal detector is a very common device that is used for checking persons,luggage or bags in shopping malls,hotels,cinema halls,etc to ensure that ...