redesign of tiny from pulsdetektor.de

[Geo]

Any battery 12V with capacity >1200 Mah is ok.
Detector needs 120ma.

[kt315]

look on schematic and you will see 24V 1.5Ah

[heyran]

thank you... i have some problem with this MD ...i used irf9640 and also a potentiometer instead of R1, but it gets warm and does not work... my md can't detect any metal... please help

[heyran]

this is my tiny board
https://drive.google.com/file/d/0B-0...ew?usp=sharing
i didn't find hef4053 and use cd4053be instead . i dont know why my tiny got repeated beep (something like clicking) and cant detect any metal with coil.

[heyran]

thanks guys... i built tiny successfully and it works quiet well

[bernte_one]

and what was the solution for your Problems?