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yahaa
03-14-2005, 11:21 PM
iam making a robot with line following +metal detection

iam not getting a metal detector of both small size and appreciable range
in most of circuits in find............eithre the search coil is very large or....range is very small.................plz help me out in this case

03-23-2005, 10:26 AM
The solutuion is very simple:

dont go for the search coils

go for the inductive proximity switches used in industries they come in two forms cuboidal(5cmx2cm) or cylindrical.Go to an sensor automation person.He will custom make it for you.I got one custom made for 300Rs. :D

siddharth
02-03-2008, 01:23 PM
Vegakit, mumbai also offers very small sized metal detectors, i have not used/worked on personally, but still you can check them over their site

www.vegakitindia.com

All the best for your project :D

Regards
Siddharth Dev