Any Digital Metal Detector circult?

[johnny01hk]

I wanna a Metal Detector circult which is test for aluminium casing drink.
For example, the coke outer space metal.

When the detector feel that is close,
It will make a output which are logic one. (5V)

Thank for help

 

[Shehata]

there are metal detector like th ones in security gates
but i think u can make a simple cct tht is shorted when the metal passes thru
good luck

 

[johnny01hk]

there are metal detector like th ones in security gates
but i think u can make a simple cct tht is shorted when the metal passes thru
good luck

So any circult suggestion to me?

 

[benny_jhabua]

simple,low cost metal detector circuits are available in the market

 

[johnny01hk]

simple,low cost metal detector circuits are available in the market

I don't have any idea in HongKong.
I have shopping more electronics but no one proivde that circult in market....

 

[Kripton2035]

a search on this forum will give you this topic ...



regards,