new pi

[liudengyuan]

I successfully developed a pulse detector technology to identify iron, one hundred percent identify the iron, and does not reduce the detection depth, but my amplification circuit is not ideal, if anyone has a stable and sensitive amplification circuit, you can exchange technology with me, remember Email me

[kt315]

i need your help now.
can you translate the mandarin in english? http://www.geotech1.com/forums/album.php?albumid=93

[6666]

I successfully developed a pulse detector technology to identify iron, one hundred percent identify the iron, and does not reduce the detection depth, but my amplification circuit is not ideal, if anyone has a stable and sensitive amplification circuit, you can exchange technology with me, remember Email me

hello I cannot see your email listed so I have tried to send a PM

[liudengyuan]

ok