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PICKINI V4 - an easy to build, self adjusting PI detector

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  • 46118[ATTACH]

    post # 649
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    • Pickini V4 SMD File

      Thank you for your help
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      • SMD layout. Ready to print.
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        • @bang80:
          my Pickiny V4 buil with semi kit of Bernard is very good.
          Glad you liked it. The purpose of the kit was to lower the threshold of using a small yet powerful microcontroller.

          Now, that you have the SMD layout - thanks to bernte_one, Arionas, dbanner, .., please be aware that you will have to program the SMD controller yourself.
          The programmed chip that I offer separately or in the semi-kit is the through-hole version.

          Success !,
          - Bernard

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          • Hi,
            Thank you for the PDF SMD version. I have the program, a program card , PIC pgm software and SMD version of PIC. So I will try to build that with my hot gun and solder paste.
            Have a nice day !

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            • IC Fuse setup ???

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              • All Fuse-bit present in hex-file

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                • I am close to starting this project I understand that 10K is ok for the sensitivity pot, but where is that listed on parts list ?

                  If I connect just 5v +and - batt to the chip will it produce any pulses just for testing programming ?

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                  • The sensitivity potmeter between 5v and Gnd can be 4k7 or 10K.
                    It is not listed in the parts list.
                    The parts list is just a copy of the BOM generated by Eagle - and since the potmeter is not on the PCB, it's not on the parts list.
                    Neither is the audio jack, on/off switch, pinpoint pushbutton, ... anything that is connected via wires to the PCB.

                    If you power the microcontroller only - 5V only, it should produce the welcome sound on the audio output.
                    And after a while, a low error sound because the coil flyback is not detected ( coil not connected ).
                    You should also have a 100 microsecond pulse every 2 ms on pin 5 of the controller - this goes to the IRF gate after level conversion to 12V.

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                    • Originally posted by F117 View Post
                      The sensitivity potmeter between 5v and Gnd can be 4k7 or 10K.
                      It is not listed in the parts list.
                      The parts list is just a copy of the BOM generated by Eagle - and since the potmeter is not on the PCB, it's not on the parts list.
                      Neither is the audio jack, on/off switch, pinpoint pushbutton, ... anything that is connected via wires to the PCB.

                      If you power the microcontroller only - 5V only, it should produce the welcome sound on the audio output.
                      And after a while, a low error sound because the coil flyback is not detected ( coil not connected ).
                      You should also have a 100 microsecond pulse every 2 ms on pin 5 of the controller - this goes to the IRF gate after level conversion to 12V.
                      Thanks reply, will try and test the chip tomorrow

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                      • The chip seems to test ok thanks.

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                        • Is this a double sided PCB with ground plane? What type switching fet is used ?

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                          • Guzzi,

                            you can find all construction details here : http://users.telenet.be/willaert/MD/.../V4/intro.html

                            The PCB and schematic page: http://users.telenet.be/willaert/MD/...ectronics.html
                            .
                            It is a single sided PCB with a ground plane and the FET is IRF740.

                            You can make it easy for yourself by buying the semi-kit with the PCB and all semi conductors including the programmed PIC controller:


                            Regards,
                            - Bernard

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                            • Fantastic project Bernard, along with your patience in helping folks out with the build. I read through much of the thread and the info on the project site and have a quick question. How does the temporal method handle EFE at the end of the swing?

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                              • Hi Bernard, in eagle what are the 2 and 3 terminal blocks parts called ? thanks

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