Metal Detector Circuits

  

Circuits


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The other day when I was searching instructables I come across on interesting and simple circuit for metal detector. It is build with 555 coil and few...

This metal detector can detect metal as well as magnets. When a piece of metal or magnet is brought close to the inductor/choke the output frequency changes and you can hear sound from the speaker....

Simple metal detector circuit diagram with 555 timer and applications. Metal detector is used to check the persons in theatres, shopping malls, hotels etc.

Read this post to get good idea about circuit diagram of metal detector. Metal detector is used to check the persons in shopping malls, hotels, etc.

Detecting all metal contaminants, including iron and non-iron metals (Copper, Aluminum etc.) and stainless steel. Detection method: electromagnetic wave detection uses a dual-loop circuit, analog c...

negitive wire. The is very simple. For assembly please follow the provided circuit diagram. Remember that the LED and metal Detector are polarity sensitive. I ask you strongly to test each compone...