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Gold Prospecting
Do It Yourself (DIY) Projects
Surf Pi Build + inbuilt pinpointer
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<blockquote data-quote="Drbean" data-source="post: 60884" data-attributes="member: 2558"><p>OK mate what I would sugstis converting to double d more stable</p><p>If you want I can post how to do just remove 1 k from pin 3to MOSFET </p><p>and solder RX wire to free end of 1 k this will sepperate tax from RX</p><p>and allow you to run did coil and then you solder in 5 pin audio connector</p><p>You then can run a coil tech or nugget finder coil .no need to reinvent</p><p>the wheel bud .I used a crutch and and the mine lab shaft went straight in.</p><p>No don't put metl near pin go to hardware store and find a nylon bolt and nut</p><p>to hold coil on .they are a good unit though I used kit from states on eBay</p><p>called sm pi surf has more adjustable external pots and is square board.</p><p>Has volume , delay , sesativity , and threshold and is easeier to build.Dr <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Drbean, post: 60884, member: 2558"] OK mate what I would sugstis converting to double d more stable If you want I can post how to do just remove 1 k from pin 3to MOSFET and solder RX wire to free end of 1 k this will sepperate tax from RX and allow you to run did coil and then you solder in 5 pin audio connector You then can run a coil tech or nugget finder coil .no need to reinvent the wheel bud .I used a crutch and and the mine lab shaft went straight in. No don't put metl near pin go to hardware store and find a nylon bolt and nut to hold coil on .they are a good unit though I used kit from states on eBay called sm pi surf has more adjustable external pots and is square board. Has volume , delay , sesativity , and threshold and is easeier to build.Dr :) [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Surf Pi Build + inbuilt pinpointer
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