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Inductive proximity switch?

psr17

Aug 18, 2016
3
Joined
Aug 18, 2016
Messages
3
Hi all
First time here but been lurking a while, I think what I'm after is a inductive proximity switch, basically what I'm after is a switch that is triggered when a ferrous metal is close by

I'm trying to make a detector to identify nails in timber, I know one can be bought but where's the fun in that, looking to use a 9v power supply

Any advice or guidance is appreciated
 

Minder

Apr 24, 2015
3,275
Joined
Apr 24, 2015
Messages
3,275
What diameter or area do you need to cover?
For the most part it is not worth building one.
M.
 

psr17

Aug 18, 2016
3
Joined
Aug 18, 2016
Messages
3
I was looking at a 25mm radius, I know I could buy one but where's the fun in that
 
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