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

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  • this pcb is not the oregenal one try to acheve deffrence with the oregenal one and test lines from a short secret if not the problem will be from prgraming or fuses you should hear a peeep when turn on

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    • my pcb is original iran kit
      Originally posted by basellafe View Post
      this pcb is not the oregenal one try to acheve deffrence with the oregenal one and test lines from a short secret if not the problem will be from prgraming or fuses you should hear a peeep when turn on
      Click image for larger version

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      • Originally posted by chuubaba View Post
        THE PROBLEM WITH MY CIRCUIT IS THAT THE VOLTAGE AT HIGHLIGHTED POINTS WAS GOOD PRIOR TO INSTALLATION OF ATMEGA AND LCD BUT WENT DEFICIENT AFTER ATTACHMENT. TRIED REMOVING LCD BUT STILL NO RELIEF. I DOUBT PROBLEM WITH LCD AND SUSPECT ATMEGA PROGRAMING AS I HAVE CHANGED THE IC THREE TIMES WITH SAME RESULT.
        chuubaba ... Please can you not write your posts in CAPITAL LETTERS. According to forum etiquette, this is equivalent to shouting. It also make your posts more difficult to read.

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        • noted
          Originally posted by Qiaozhi View Post
          chuubaba ... Please can you not write your posts in CAPITAL LETTERS. According to forum etiquette, this is equivalent to shouting. It also make your posts more difficult to read.

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          • Mine is the original PCB.
            - Iran kit is it better ?
            - Iran kit add an IC with a hex to program no ?
            - Is it the original hex on atmega ?

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            • Originally posted by gandolfi View Post
              Mine is the original PCB.
              - Iran kit is it better ?
              - Iran kit add an IC with a hex to program no ?
              - Is it the original hex on atmega ?
              no iran kit not better than original abaut ic attenly that is for bybas counter and its not free the only original hex on atmega is in the first bage in the iranian fourm

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              • Originally posted by chuubaba View Post
                my pcb is original iran kit
                [ATTACH]43593[/ATTACH]
                yes this is original and problem with your pcb could be from programing and fuses

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                • Originally posted by basellafe View Post
                  no iran kit not better than original abaut ic attenly that is for bybas counter and its not free the only original hex on atmega is in the first bage in the iranian fourm
                  the hex of atiny IC is not free ?

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                  • Originally posted by gandolfi View Post
                    the hex of atiny IC is not free ?
                    not free

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                    • I am unable to burn fuses to ATMEGA328P using arduino uno or nano. it is highly inconvenient to have arduino mega etc. Expert members help me solve this issue

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                      • https://youtu.be/CkjcMlaSVK0

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                        • Basellafe this video does not show how ATMEGA328P is connected. I have tried this by connecting the ATMEGA328P using my method of connection but only hex files are installed but the fuses fail. Please show how to connect the ATMEGA328P to achieve the desired result.
                          Originally posted by basellafe View Post

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                            • This connection what i use

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                              • For setting the fuses for atmega328p with arduino as ISP you have 3 ways using arduino and modify the setting at programmer directory or us avrdude directly with command line or use universal avrdude GUI and put the programmer as arduinoisp and you need to read about avrdude command line he is the most used programmer I didn't use all this thing before because I have avr dragon and it work with atmel studio there is a ton of topics about t what you are looking for just use avrdude and arduinoisp

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