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Re: ESR meter upgrades
new manual - lots of updates.Comment
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Re: ESR meter upgrades
fixed a bug in the frequency generator.
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Re: ESR meter upgrades
Yes, I have had a few bad ones. Point is, that it is a cheap fabrication.
But the good thing is that you can repair them.
Loose the 2 little screws on the above side, remove the top plate and handle
and re-adjust the contactplates, so that they are all wide open.
Carefully place all the parts back, with a bit of 'feeling' it should work.
regards,
WillemComment
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Re: ESR meter upgrades
a warning i just discovered:
the datasheet for the LM4040 has the TO-92 package pinout wrong!!!!!!!
it states "view from above", but the pinout is actually from below.Comment
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Re: ESR meter upgrades
ive just fitted one to my old version tester that came in todays post that im just upgrading is this data sheet the right one?
https://cdn.badcaps-static.com/pdfs/...757ef4e1ec.pdfComment
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Re: ESR meter upgrades
interesting.
THAT pdf is correct.
revision H.
the one i had that is wrong is revision J
so they had it right, and then messed it up!!!Comment
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Re: ESR meter upgrades
my 2016 tester ive fitted it wrong so i need to order some more.Last edited by vinceroger69; 08-09-2016, 09:58 AM.Comment
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Re: ESR meter upgrades
did you cut the pin off?
you should bend it out of the way and test the device.
if you hold it pins down, and flat face pointing towards you,
the unused pin is the left one.
how you know it works, if you start the tester and it only gives the battery voltage, it's not working.
if you also get the regulated voltage (5.00v) then it works.Last edited by stj; 08-09-2016, 10:11 AM.Comment
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Re: ESR meter upgrades
yes cut the pins off dosnt matter will order some what voltage was they im sure the ones you linked was 2.5v if i remember rite?.
Edit just found your link in post 224 will order some now
http://uk.rs-online.com/web/p/voltag...ences/5343037/Last edited by vinceroger69; 08-09-2016, 10:27 AM.Comment
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Re: ESR meter upgrades
stj my old version tester came today i have up graded the atmega ic added a 16 mhz crystal and 2 capacitors (as non installed on the pcb) added the 2 capacitors between vcc and ground pins also added the header and the voltage regulator so what i need to do tomorrow is add the firmware i have avrdude installed now and have this command?
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
now where do i add the hex files etc too? do i copy them to the avr programme folder?Comment
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Re: ESR meter upgrades
try both of these,
tell me which works.
to use avrdude, put the hex files in the same folder you use the commandline from - or use avrdudessLast edited by stj; 08-09-2016, 01:26 PM.Comment
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Re: ESR meter upgrades
Hi stj ive tried to load the firmware using avrdude i use command
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
now when i turn the tester on the screen lights up with no data on it then after a few seconds the screen flashes on and off (strobing effect) and power led on tester is flashing i can see in the enclosed picture the fuses have been set wrong? i have also tried both your files and both do the same? thanks vinceAttached FilesLast edited by vinceroger69; 08-11-2016, 07:30 AM.Comment
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Re: ESR meter upgrades
that screen pic shows only the flash being programmed, not the eeprom or fuses.
try 3 seperate lines in order:
avrdude -c USBasp -P usb -p m328p -U flash:w:TransistorTester.hex
avrdude -c USBasp -P usb -p m328p -U eeprom:w:TransistorTester.eep
avrdude -c USBasp -P usb -p m328p -U lfuse:w:0xf7:m \-U hfuse:w:0xd9:m \-U efuse:w:0xfc:mComment
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Re: ESR meter upgrades
The long line copy & paste for avrdude got me in trouble too.
Earlier I did this without problem (using Windows 7 SP1 and Windows 10 v1511 (10586))
Now I have Windows 10 Anniversary Update (14393) I have this too.
I have now switched to ARVDUDESS which works fine.
Anyone who can confirm this behaviour?Comment
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I read EBOOK of Testing Electronic Component and found that
"In order to test the small blue resin coated ceramic disk capacitor which has 104 50v specification,it is possible to test this small ceramic capacitor by making use of analogue meter.
Set to times 10Kohm that has 12v output from the probe to check disorder of ceramic capacitor.
It is not uncommon that testing result of digital capacitance meter is okay,But It show shorted reading when you check it with analogue meter."
Is it really possible to test small ceramic disc capacitor with analogue... -
I have had with regular AA batteries that leak this meter is expensive new I already replaced the battery battery clips once and the same thing happened again and I am tried of so it is getting modified to accommodate lithium ion batteries that are the same size excluding the positive terminal and removing the battery clips I will have enough room for the BMS protection board
I going to put 3 lithium ion battery in parallel with the BMS protection board and a way to charge the battery externally and heat shrink the battery pack and use a JST connector so I easily remove the battery... -
Hi
I want to change the scale of an analog meter, to monitor the charge of an li-ion single cell, so the needle at the end would point 4.2 volts and the 0 on the meter would point 2.5 volts or so, i tried to add diodes or a zener in series with the meter but the changes of the ambient temperature also changes the voltage value on the meter
I wonder how i can accomplish this so the meter would be precise at any temperature ?
Thnaks -
About a month ago we had a transformer jumper wire that burned in two different places between two transformers caused over $200 thousand dollars worth of damage to VFD drives at least 10 of them and a memory card and quite a few power supply as well
Now we have most of the equipment that got damaged back up and running except a feeder that has issues and we are waiting for some parts for
Now we also have another piece of equipment that was blowing fuses on the 110 volt controller switch circuit with the “E” stops and one switching power (24 volt) supply and a transformer... -
hi guys so i have this ps4 fat 1215 i believe ( the one with the ps4 pro/slim newer encoder ic ) so i replaced hdmi and 2 blown filters and still no pic so i replaced encoder and still no pic. i made sure port is solid even checked with a breakout hdmi and tested ground and data lines.. Filters are all good , though 2 of the newer ones are larger then the original ones i dont know if that matters ?
Made sure under the scope encoder pins all look solid went over with fine tip and solder again. Idk but this thing is stressing me out..
ps4 seems to boot fine blue light then solid...
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