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  • #16
    GB-PI firmware is posted. I will get to the other ASAP.

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    • #17
      Thanks, Carl!!!

      I'm actually new (again) to MIC programming after a break of about 30 years and took a quick look at the source file. There is a line with "#include <xc.h>". Where can we find this "xc.h" file?​

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      • #18
        When you install the Microchip XC8 compiler it will have this file.

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        • #19
          Firmware for Pulse-2 & 3 (Improved PI) is now posted. It defaults to Pulse-3 (EFE pulse enabled); to run it as Pulse-2 simply comment out the "TClkN = 1;" line:

          Click image for larger version

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          • #20
            Thank you both.
            Especially on GeoMax because he knows how to ask.

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            • #21
              Originally posted by pechkata View Post
              Hello Carl...
              Will there be a Hexfile for this scheme...?
              Thank you...
              Hello there I'm a new bie in metal detectors hobby. Can i please have the source code for that project or where to get it.
              ​​​​​
              ​​​​

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              • #22
                Yes - here it is.
                The scheme is PIC16F684
                File is for PIC16F18426
                Attached Files

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                • #23
                  Originally posted by pechkata View Post
                  Yes - here it is.
                  The scheme is PIC16F684
                  File is for PIC16F18426
                  Thanks my brother as I'm putting things together i will share my projects once i finish and some modification

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                  • #24
                    Originally posted by pechkata View Post
                    The scheme is PIC16F684
                    File is for PIC16F18426
                    I have corrected the schematic to reference the 16F18426. However, a lot of other 14-pin PICs will work. I prefer using a 32MHz PIC to get better timing resolution but 16MHz or even 8MHz will work. Obviously register names will need changing.

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                    • #25
                      Hello Carl-NC
                      I like it with PIC16F18426 - I will not make another sample board.
                      But it's nice PIC16F684 to go to the place - it is confusing.

                      I saw it now - well done.

                      This is on PIC16F18426 - I like it.


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                      Last edited by pechkata; 03-06-2025, 06:08 AM.

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                      • #26
                        Is the source code for GBPI available please.

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                        • #27
                          I will look at your code I'm thinking to put digital switches or potentiometer so that i will modify the code for adjustments of frequency and delay for microcontroller or a more powerful microcontroller for digital signal processing for minimizing soil magnetic noise.

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                          • #28
                            Originally posted by Prince Zhakata View Post
                            Is the source code for GBPI available please.
                            Everything is here.

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                            • #29
                              Hello everyone.
                              I was thinking of using the Bipolar board - the power supply doesn't work.
                              This is a better option - I'll try another pumping method.

                              Click image for larger version

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                              • #30
                                Hello everyone.
                                Here's what happened.

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