Hello.
I am searching a lot for metal detectors which can be use with Arduino UNO. Kindly tell me any sensor, which can be interface able with Arduino UNO. OR you can help me by telling the simple circuit diagram of the sensor so that i can make it and then attach it to the Arduino UNO.
The module will work on simple rule, The sensor will detect , Arduino will get the output of the sensor and will perform further tasks.
Also i will need your help on How to read the output of the sensor you suggest / tell!
Its my second post guys and i am confused about asking the questions

and also i am not good in English, so sorry for this
Hope i will get appreciable help from you guys.
Thanks