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I'm a big fan of pirates. You know how they hunt for treasure. But hunting for treasure isn't always easy. BUT I have a thing that might help you. The...
You should first know a little about the 555 ic. There are totaly 8 pins in it. The pinout is given in this step.
This metal detector is very simple and is based upon a very famous and easily available ic which is 555 ic. The things that you will need to make this...
Assemble the circuit on a perfboard or pcb except the inductor. Attach two long wires at the place of the inductor. Use a long rod and place the induc...
If there is any treasure underneath your house or your garden or anywhere, now you can find it.This metal detector can detect metal as well as magnets...
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can we use fixed inductor of 10 mh ??? pls reply
I doubt it. I think the point is that the inductance is supposed to change as the coil comes closer to the metal, kind or acting like a ferrite core you might find in a pcb inductor.
can we increase the inductance from 10mH and do we must to change the capacitor ?
what is also the frequency of operation of this circuit
Hello....What is the frequency range for this circuit??? And can you tell me why is the pin number 5 and 7 left as it is???
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