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Offline Homefire
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« Reply #10 on: May 10, 2014, 01:44:41 pm »
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LM386 are easy enough  to use.

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« Reply #11 on: May 13, 2014, 09:34:00 am »
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hello vasileios,

thanks for showing to us.

Will try this at next build.

BTW: Did anyone has interest in surf pi pro clicker Boards?

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I CAN MAKE PCBs FOR YOUR DIY PROJECT  offer only within EU

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« Reply #12 on: May 13, 2014, 10:41:48 am »
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The surf PI is one of the Simplest of Simple PI detectors.  Sort of like the Sand banks without the complicated power system.  If you want a machine with more options build the HAMMER HEAD.  You can adjust just about every aspect on that machine. 

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« Reply #13 on: May 14, 2014, 12:51:41 am »
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hello homefire

i would suggest mirage pi from sven (i think you know sven)

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I CAN MAKE PCBs FOR YOUR DIY PROJECT  offer only within EU

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« Reply #14 on: June 22, 2014, 08:34:46 am »
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thanks vasileios
i just finished my surf pi build,i used a tiny tweeter speaker i had around to test the circuit,and i noticed the volume was very low
so i put the output to a mono headphone jack.
i think i can use your mod mounted in a tiny enclosure with a very small pcb speaker and a headphone plug to hold in on the circuit box.and have the option of headphones or external speaker.


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« Reply #15 on: June 22, 2014, 09:29:39 am »
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   A LM386 works more then well.  You can just put a piggy back board to the side . 

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« Reply #16 on: June 22, 2014, 11:25:21 am »
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Here's the one that I did,  simply held by the POT

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« Reply #17 on: June 22, 2014, 11:33:28 am »
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Yep!  Not much to them.

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« Reply #18 on: June 22, 2014, 11:51:09 am »
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yeah thats ok-except where do those two blue wires go.
with vasileios mod,you just need a pnp and a resitor and speaker mounted into a small enclosure with the headphone plug holding it onto the detector-no need to power another circuit.
  vasileios,i hope you dont mind me expounding on your idea!

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« Reply #19 on: June 22, 2014, 12:00:04 pm »
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This is the proper way to make an amp, Blue wires are the input red and black are power and the other two go to the speaker. If I were you I'd put the extra transistor.

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