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ESR meter upgrades

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    Re: ESR meter upgrades

    Originally posted by vinceroger69 View Post
    R8 brown red black orange orange = 33k - what i said in the first place!
    R9 gold gold black brown brown - 11ohms - really????
    R15 brown red black purple red = 27k - again, what i already said.
    can you double check R9, that was not in the kit

    Comment


      Re: ESR meter upgrades

      R9 defently gold gold black brown brown in circuit though measures 3.29k but colours are correct just checked on both units.

      R13 is the same colours measures 3.29k in circuit
      What also makes it hard to see the colour bands on these resitors there all blue base but on some the blue is lighter so the colour bands look slightly diffrent even under good light there small as well being 1% 1/4 watt ones
      Thanks again stj all parts ordered (crystals on back order though untill 29/6)
      I will borrow a good camera tomorrow and take some good pictures showing the colours of all the resistors and locations etc.

      So yes ive got to admit you was spot on with your first list stj it was me mixing up the last few resiors i installed but either way the ic is not programmed as tested it numerouse times in the good meter and does not work at all just a screen flash but the new meter ic works fine in my kit ive built myself so i will just have to wait until parts come and re programe bad chip.
      Last edited by vinceroger69; 06-27-2016, 10:29 AM.

      Comment


        Re: ESR meter upgrades

        3k3 would be orange,orange,black,brown,brown

        btw,i am looking at a vanity upgrade next - if your interested.
        colour TFT display
        Last edited by stj; 06-27-2016, 10:38 AM.

        Comment


          Re: ESR meter upgrades

          Thats what i thought earlier it certainly dosnt look orange bands but certaily measurs 3.29K with a multi meter same as R13 same colour bands So when i first gave you my resitor kit list i must of measured it using a multi meter and didnt go of the band colours.
          When per hansson gets his kit maybe he will confirm for us the colour bands and the actuall measurements
          Last edited by vinceroger69; 06-27-2016, 10:44 AM.

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            Re: ESR meter upgrades

            Originally posted by vinceroger69 View Post
            Thats what i thought earlier it certainly dosnt look orange bands but certaily measurs 3.29K with a multi meter same as R13 same colour bands So when i first gave you my resitor kit list i must of measured it using a multi meter and didnt go of the band colours.
            When per hansson gets his kit maybe he will confirm for us the colour bands and the actuall measurements
            i dont see why not i will probably keep one tester standard and upgrade the other one i should learn from it too inregards of programming the ics etc as thats all new too me although ive just saw this video on programming the ic
            In this video we look at an error in a cheap LCR ESR tester from Banggood. Click Show MoreThe unit has strange charecters on screen and to solve the probl...

            Comment


              Re: ESR meter upgrades

              i was unable to watch that all the way through, it was too painfull.
              that's why i hate utube.

              so the FSC error is because the chinese programmer auto-detects the correct speed and ignores the parameter - so ignore it.

              he pulled the chip and breadboarded it - why? just connect the header to the bottom of the programmer socket and the crystal is already there.

              his breadboard was unreliable anyway - the crystal should have a pair of 18-22pf caps to ground - he didnt fit any!

              and all you need to do for avrdude is copy & paste this:
              avrdude -c USBasp -P usb -p m328p -U flash:w:TransistorTester.hex \-U eeprom:w:TransistorTester.eep \-U lfuse:w:0xf7:m \-U hfuse:w:0xd9:m \-U efuse:w:0xfc:m
              job done

              Comment


                Re: ESR meter upgrades

                well when all my bits come i will get you too help me copy the working chip contents onto the faulty chip that way i have two meters hopefully working then and can start upgrading one with your help i you dont mind that is.But will need help in the programming side of things if you dont mind as its all new too me so a guide mayhelp a few members as if everyones ic is blank on these kits there going to need too know how to programme it too.

                Comment


                  Re: ESR meter upgrades

                  do you have a Linux setup?

                  Comment


                    Re: ESR meter upgrades

                    only xp-vista_win 7 _win 10 at the minute but no linux never used it.

                    Comment


                      Re: ESR meter upgrades

                      hmm. have to get the libusb driver first then.

                      Comment


                        Re: ESR meter upgrades

                        stj a question rather than add a header to the pcb for upgrading the files to the tester could i use one of these? as ive been offered one for free if i go and collect it and it may make the upgrades easier for me as ive never done programing before

                        Comment


                          Re: ESR meter upgrades

                          i have never used one, so your on your own with the software, but i would take it for 3

                          Comment


                            Re: ESR meter upgrades

                            i was wondering if it could take your modified files you upload ie the crystal upgrade etc. it will probably copy my good chip contents onto the blank kit one ok though i guess and make a working tester.

                            Comment


                              Re: ESR meter upgrades

                              well tbh the 10pin header is a lot simpler than constantly removing the display and pulling the chip.

                              it makes no difference to *how* it's programmed - it just saves stripping the unit to get at the programming signals.

                              you should fit the header and grab the 866 for other things.

                              Comment


                                Re: ESR meter upgrades

                                can you do a guide on programing it your way? as a lot of people may find it usefull and only have a windows pc etc ive ordered all the parts anyway just waiting for them too come.

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