Simple PI with discrimination

[CDI]

Found this on Russian site, my friend maked one and he say it's working good.
This md have some kind of discrimination: For iron led light is red, for non fero is blue.
Similiar to Pirat Pi with detection distance, so i will make pinpointer from this.

https://www.youtube.com/watch?v=L4Sa_8C09MA

Download link:

http://signalsam.in.ua/publ/metalloiskateli/malysh_fm2_v2_novaja_versija/1-1-0-5

[Qiaozhi]

Found this on Russian site, my friend maked one and he say it's working good.
This md have some kind of discrimination: For iron led light is red, for non fero is blue.
Similiar to Pirat Pi with detection distance, so i will make pinpointer from this.

https://www.youtube.com/watch?v=L4Sa_8C09MA

Download link:
http://signalsam.in.ua/publ/metalloi...ersija/1-1-0-5

Doesn't look like a PI to me.

[kt315]

not new issue http://www.geotech1.com/forums/showt...ghlight=malysh

[CDI]

not new issue http://www.geotech1.com/forums/showt...ghlight=malysh

Im sorry for double posting, didn't found that.