door frame metal detector

[rajesh]

hi every body. i need a cheap door metal detector schamatic. i mean a p.v.c. frame type door. good working circuit / or recmond to delta pluse this is good work whith big coil ...................rajesh

[rajesh]

hi every has some one door frame detector schamatic?

[Carl-NC]

You can start with an average PI circuit using a separate TX and RX coil. Put the TX coil on one side and the RX coil on the other. Best to sync it to 50Hz/60Hz for EMI rejection.

- Carl

[rajesh]

door frame detector

You can start with an average PI circuit using a separate TX and RX coil. Put the TX coil on one side and the RX coil on the other. Best to sync it to 50Hz/60Hz for EMI rejection.

- Carl

hi carl thank to reply i have done some hammerhead p.c.b. this best for or not ?

[Carl-NC]

It should work pretty well.

[rajesh]

door frame detector

It should work pretty well.

hi carl actually i have planing to build a plastic pipe door frame detector first time 30" width and 78"inch hight of door. also i have done delta pluse...................rajesh