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felezjoo PI(the best pulse induction metal detector that I made until now)

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  • thanks I was just asking, mine works perfect and very stable even at 20 sensitivity

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    • martyj1963 and ricalbertvig
      Can you share the coil information that works perfectly and very stable?
      what is the debug value?

      Yours truly
      Gurdal

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      • Hi Gurdal, I use a 350uh coil with mine though my 300uh Mirage coils work great on the Felezjoo too. I'm sorry but I don't know my debug values. The coils I use are 3dss coils. I use 16 strand hook-up wire, 0.5mm, 600v, but the 300v wire I've also used gives me less resistance. Hope that helps, Regards, Marty.

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        • my measurements 3 coils: 6 inch coil, 290uh, spider. coil 30 cm, double spider style, 320uh enameled copper wire 0.5. coil 60 cm spider 360uh.

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          • Click image for larger version

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ID:	363358 I have made 10 detectors for friends...I have used an arduino, attached the image...I don't know if these fuses are correct, but to date they all work perfectly and are very stable...I use plastic connectors, a shielded box inside with graphite connected to ground... in the power supply of lf357n I remove 10 ohm resistance and put in its place 100uh inductor coil

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            • https://www.youtube.com/shorts/N0rbHRAK8gs

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              • my device is babbling on the floor.
                it's like the ground balance isn't working.
                can you write the best settings in soil?

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                • actually i want to find my mistake,
                  Could I be connecting the damping resistor wrong?.
                  if you are getting really good results in the field.
                  I request your help.
                  I'm writing the hex file with ektremeburner.
                  could it be one of the insurance signs?

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                  • Originally posted by ricalbertvig View Post
                    [ATTACH]57832[/ATTACH] I have made 10 detectors for friends...I have used an arduino, attached the image...I don't know if these fuses are correct, but to date they all work perfectly and are very stable...I use plastic connectors, a shielded box inside with graphite connected to ground... in the power supply of lf357n I remove 10 ohm resistance and put in its place 100uh inductor coil
                    D1
                    When reprogramming the counter does not return to 300

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                    • I don't understand? I am using the full version and everything is fine, can I have problems after a while with those fuses?

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                      • The difference between D1 and D9. If EESAVE (EEPROM memory is preserved through chip erase) is marked then it is D1 if not then it is D9.

                        Link1
                        Link2

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                        • Click image for larger version

Name:	fuse.jpg
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Size:	119.5 KB
ID:	363361 is that I use arduino and avrdude to program the atmega328

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                          • In the version which contains a counter, it is necessary to put d9. Because after the end of the counter and a new reprogramming, the counter does not return since the beginning. As for the full version, there is no difference between the two

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                            • Hi,
                              Does the ground balance work while friends are searching?
                              device works fine on the table;
                              Is there an extra technical addition for ground balance in the soil?
                              my problem is felezjoo pi chattering a lot in the ground.
                              If anyone can solve the problem, write.

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                              • hello, are there any new developments on this subject?

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