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Messages - overheater

1
Project logs / Re: Really universal soldering controller
[quote author="minkok"]..... Is it normal and is it possible to decrease this time around 2s?[/quote]

This is not Sparky, but:
Yes, that is normal I think - and yes, you can set this in the menue.

Quote
I am asking because of a need of Hibernation, to be able to remove safety the heating element, but for the time of 20s is no sense.
........

I do not understand - if you remove the tip with the temperature of 320 degrees or 170 - there is no difference: not for the tip and not for the fingers..... or what do you mean with safety?
3
Project logs / Re: Really universal soldering controller
[quote author="afedorov"]..... there nothing on the back board that can cause the problem. [/quote]

caution..... There ist the circuit on the back-board that "tunes" the sine-wave in zero-crossing to get time for a good measurement.

I don't know, if the measurement can fail completely and then causes this behaviour when there is something wrong.

If I remember correctly the circuit is arround Q5 / D11 / D12 which makes a plateau at the bottom of the rectified AC.

You find a photo in post 661.

Best is to have a look at the voltage with an oscilloscope.....
5
Project logs / Re: Really universal soldering controller
seems ok.....

As you can see in the schematic, the signal from the sensor of the iron takes the way over D20 / D21 ---> U16 --> U18

maybe you look in that direction first. Did you measure the voltages 3,3 and -0,6V on the front-board?
6
Project logs / Re: Really universal soldering controller
[quote author="ScotY808"]I did not let it stay on for very long...hopefully it is okay.

I measure 1.1 ohm from red to green wire on iron.  2.7 ohm from blue to green wire.  I found from youtube that green is common ground, red is thermocouple wire, and blue is heater wire.[/quote]

please take the tip out and measure from the outer shell to both of the other connectors.....

my values there are about three ohms  and 0,3 ohms
8
Project logs / Re: Really universal soldering controller
Hi ScotY,

if your Iron glew red - there is the possibility that this tip went to Nirwana.

when you try a new tip make sure that one hand can interrupt the power in the first 2 or 3 seconds.
I would set the temperature to 120° for testing
maybe you can see something in this short time.
9
Project logs / Re: Really universal soldering controller
Thank you Sparky!

and off course you are right with your objection to the earphone jack.

but there is a solder-tip from Weller with 40W and afaik up to 55W which has a build-in 3,5mm (headphone plug) connector and there are hundreds of Diy - stations that uses these jacks for connections.....

http://www.reichelt.de/WELLER-RT-4/3/in ... =weller+rt

I own one too. I have no problems and I never heard about problems about the jacks.

And if you have a look at the Chinese Hakko T12 connectors in the irons....... I opened a Hakko-clone solder iron and a headphone jack - the headphone jack looks more solid.
10
Project logs / Re: Really universal soldering controller
Yes - tweezers..... I'm searching too.

But I decided to build them in diy - out of two tips from the c210-014.

@ sparky: would these two tips work with the "JBC-Tweezers-profile"?

The connection of these tips is easy to do - a special 3,5mm socket for earphones and a single socket for one pin of a  6C33 Tube will do. (If someone is interested, I will post more information about this)

[attachment=0]

Has someone build the mechanics for such tweezers? and like to tell - how?

Also any idea (if it will work or not) for building is welcome.
11
Project logs / Re: Really universal soldering controller
Hello ppsati,

Quote
I dont noticed that the R27 and R28 are in a wrong position

as I told - I made the same mistake - and there are two other places, where one can misunderstand the silkscreen:

R65 - R63  and C60 - R46 - you are wrong at R65 and the last two are correct on your board

best way is: to take the 3D photo in post 1 and compare.....

again: thumbs up for sparky! It isn't easy to find a good position for the markings for the parts - and its well done for nearly all of the parts......

best regards from Germany
Klaus
15
Project logs / Re: Really universal soldering controller
Oh, excuse me, I made a photo, but forget to load it....

[attachment=0]

but the light is not so good.

Yes, Sparky, I had the idea to use them after realizing that the 207 are a little bit big. I will try to get  some of these....

Or - the SMD 1206 are strong enough. Maybe someone used them too?

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