# I already built a metal detector by using 555 timer IC. My problem is 10mh inductor?

Can you give me a details of 10mh inductor?

1. The number of wires?

2. The number of turns?

3. The coil diameter?

4. The coil length?

Thank you. I am hoping for your sonnest reply.

1. The number of wires?

2. The number of turns?

3. The coil diameter?

4. The coil length?

Thank you. I am hoping for your sonnest reply.

http://www.diyaudioandvideo.com/Calculator/Inductor/

I searched for 'inductor calculator' and came up with that; it will figure out exactly what you need - substitute the numbers you know to find out what you need to know.