This simple Metal Detector circuit works on 9V DC supply. As the name suggests, this circuit can be used to detect presence of any metal like Mild Steel, Iron pieces, and objects like nuts, bolts and coins in the scanning area.
If placed on the conveyer belt setup, this metal detector circuit is going to generate an output in the form of a LED activations. However, this circuit can easily be modified to provide Relay or Buzzer activation also.
This project can be used for School / College Projects as well as in industries.
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