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ESR meter upgrades

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    Re: ESR meter upgrades

    Originally posted by vinceroger69 View Post
    is this the one
    http://www.ebay.co.uk/itm/GM328-Tran...1%26rkt%3D1%26
    which firmware version have you found that works? did you re calibrate the tester after installing the firmware?
    I tried calibrating both of these with the results as listed:

    GM328_EZM_v1.12k_r541: Board is hard to turn on. Seems to perform most tests OK but often incorrectly identifies small signal transistors as JFETs

    mega328_GM328 from current trunk at the same repo: Board turns on, but ditto with the small signal transistors.

    Comment


      Re: ESR meter upgrades

      Originally posted by stj View Post
      can you copy & paste the screen output when you ran avrdude.

      the pot is surplus btw, it's just rfom when they sold the lower pcb with a character display.
      it's the manual contrast setting.
      So good I did it twice:

      Code:
      C:\temp\mk328>avrdude -c USBasp  -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
      
      avrdude: AVR device initialized and ready to accept instructions
      
      Reading | ################################################## | 100% 0.04s
      
      avrdude: Device signature = 0x1e950f (probably m328p)
      avrdude: NOTE: "flash" memory has been specified, an erase cycle will be performed
               To disable this feature, specify the -D option.
      avrdude: erasing chip
      avrdude: reading input file "TransistorTester.hex"
      avrdude: input file TransistorTester.hex auto detected as Intel Hex
      avrdude: writing flash (30056 bytes):
      
      Writing | ################################################## | 100% 15.75s
      
      avrdude: 30056 bytes of flash written
      avrdude: verifying flash memory against TransistorTester.hex:
      avrdude: load data flash data from input file TransistorTester.hex:
      avrdude: input file TransistorTester.hex auto detected as Intel Hex
      avrdude: input file TransistorTester.hex contains 30056 bytes
      avrdude: reading on-chip flash data:
      
      Reading | ################################################## | 100% 10.46s
      
      avrdude: verifying ...
      avrdude: 30056 bytes of flash verified
      
      avrdude: safemode: Fuses OK (E:FD, H:DE, L:FF)
      
      avrdude done.  Thank you.
      
      
      C:\temp\mk328>avrdude -c USBasp  -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
      
      avrdude: AVR device initialized and ready to accept instructions
      
      Reading | ################################################## | 100% 0.05s
      
      avrdude: Device signature = 0x1e950f (probably m328p)
      avrdude: NOTE: "flash" memory has been specified, an erase cycle will be performed
               To disable this feature, specify the -D option.
      avrdude: erasing chip
      avrdude: reading input file "TransistorTester.hex"
      avrdude: input file TransistorTester.hex auto detected as Intel Hex
      avrdude: writing flash (30056 bytes):
      
      Writing | ################################################## | 100% 15.59s
      
      avrdude: 30056 bytes of flash written
      avrdude: verifying flash memory against TransistorTester.hex:
      avrdude: load data flash data from input file TransistorTester.hex:
      avrdude: input file TransistorTester.hex auto detected as Intel Hex
      avrdude: input file TransistorTester.hex contains 30056 bytes
      avrdude: reading on-chip flash data:
      
      Reading | ################################################## | 100% 10.63s
      
      avrdude: verifying ...
      avrdude: 30056 bytes of flash verified
      
      avrdude: safemode: Fuses OK (E:FD, H:DE, L:FF)
      
      avrdude done.  Thank you.
      Last edited by linker3000; 08-12-2016, 12:59 PM.

      Comment


        Re: ESR meter upgrades

        are the fuse settings rite?

        Comment


          Re: ESR meter upgrades

          did you actually read all that?

          it's not writing the eeprom or fuses.

          copy & past in 3 seperate operations.
          avrdude -c USBasp -p m328p -U flash:w:TransistorTester.hex

          avrdude -c USBasp -p m328p --U eeprom:w:TransistorTester.eep

          avrdude -c USBasp -p m328p -U lfuse:w:0xf7:m \-U hfuse:w:0xd9:m \-U efuse:w:0xfc:m

          Comment


            Re: ESR meter upgrades

            btw, this looks like another windows10 fuckup.

            piece of shit cant even handle long commandline strings!!!

            Comment


              Re: ESR meter upgrades

              Originally posted by stj View Post
              btw, this looks like another windows10 fuckup.

              piece of shit cant even handle long commandline strings!!!
              I tried yesterday on windows 10 and mine failed, when you posted the three seperate commands on a windows 7 laptop the firmware load worked fine.
              Last edited by vinceroger69; 08-12-2016, 01:14 PM.

              Comment


                Re: ESR meter upgrades

                maybe i should make a batch-file

                Comment


                  Re: ESR meter upgrades

                  Originally posted by stj View Post
                  maybe i should make a batch-file
                  batch-file? im still learning programming so is this just another method of loading the firmware?

                  Comment


                    Re: ESR meter upgrades

                    batch-file
                    you create a text file, and put command strings in it.
                    then name it xxxx.bat

                    you run it like a command and windows does whatever is in it - like a macro

                    i'll give you an example.
                    create a text file called "program.bat"

                    then copy & paste this into it:
                    avrdude -c USBasp -p m328p -U flash:w:TransistorTester.hex
                    avrdude -c USBasp -p m328p -U eeprom:w:TransistorTester.eep
                    avrdude -c USBasp -p m328p -U lfuse:w:0xf7:m
                    avrdude -c USBasp -p m328p -U hfuse:w:0xd9:m
                    avrdude -c USBasp -p m328p -U efuse:w:0xfc:m
                    exit
                    then if you type "program" or "program.bat" it will run all those commands.

                    Comment


                      Re: ESR meter upgrades

                      thanks for explaning that its easier when shown commands etc too as examples.

                      Comment


                        Re: ESR meter upgrades

                        the power of the command-line will never be beaten by a mouse!

                        Comment


                          Re: ESR meter upgrades

                          Originally posted by stj View Post
                          did you actually read all that?

                          it's not writing the eeprom or fuses.

                          copy & past in 3 seperate operations.
                          avrdude -c USBasp -p m328p -U flash:w:TransistorTester.hex

                          avrdude -c USBasp -p m328p --U eeprom:w:TransistorTester.eep

                          avrdude -c USBasp -p m328p -U lfuse:w:0xf7:m \-U hfuse:w:0xd9:m \-U efuse:w:0xfc:m

                          Duh! Copied the instruction verbatim from the accompanying text file. Will redo in three steps.
                          Last edited by linker3000; 08-12-2016, 02:18 PM.

                          Comment


                            Re: ESR meter upgrades

                            This pdf from the eevblog thread is worth a read
                            https://docviewer.yandex.com/?url=ya...c=57ae300c7c7a

                            Comment


                              Re: ESR meter upgrades

                              Now reflashed and running OK. Calibrated OK, but like the other firmware I tried it has problems with small signal transistors which can either report as JFETs or a pair of diodes. If I revert to the original firmware the transistors check as expected.

                              Happy to check out any suggestions or stick with the original firmware if there's no desire to look into this.

                              Thanks either way.

                              Comment


                                Re: ESR meter upgrades

                                can you upload the original firmware file im just wondering if stj can modify it into the new firmware?

                                Comment


                                  Re: ESR meter upgrades

                                  what part numbers are being miss-read?

                                  Comment


                                    Re: ESR meter upgrades

                                    Originally posted by stj View Post
                                    what part numbers are being miss-read?
                                    Samples from the parts drawer:

                                    Correct

                                    TIP42A
                                    TIP32B
                                    BCY70
                                    2N4036
                                    ZTX651
                                    2N3906
                                    MJ1410

                                    Two diodes

                                    SE9302
                                    BD139
                                    BFY50
                                    BF494
                                    2N3053

                                    N-JFET

                                    BCY65E
                                    BC182L
                                    BC650
                                    2SC546
                                    BC107
                                    ZTX300

                                    Comment


                                      Re: ESR meter upgrades

                                      stj on the eevblog forum someone has just said
                                      Yes, the tester can't correctly identify integrated circuits, including voltage regulators. This is normal.

                                      so some parts it cant test properly?

                                      Comment


                                        Re: ESR meter upgrades

                                        Just to clarify, all the parts I listed in my previous post are bipolar transistors. The list shows which ones are detected correctly and which are incorrectly identified as either FETs or diode pairs.

                                        Comment


                                          Re: ESR meter upgrades

                                          Originally posted by linker3000 View Post
                                          Just to clarify, all the parts I listed in my previous post are bipolar transistors. The list shows which ones are detected correctly and which are incorrectly identified as either FETs or diode pairs.
                                          so your original firmware tests them all ok and give the proper tests results?

                                          Comment

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