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Messages - minkok

4
Project logs / Re: Really universal soldering controller
Hello folks, someone has come across something like this when you connect a transformer with two windings of 24 in parallel to the solder, then we get an interesting picture when we see that the heating starts normally and it immediately goes into hibernation and it seems that the soldering iron remained on the stand although it was removed from there  and when connected to one winding, everything works like a clock
If it is from contact sensing add 200k in serial to the input and make better 3.3v filtering at the sensor board.
5
Project logs / Re: Really universal soldering controller
the issue with 210 soldering iron reshon by moving the department describing the part of exactly 210 soldering iron to iron.c a few positions higher, that is, all the soldering irons are indicated there in turn and I just changed their sequence and like a miracle 210 would come to life but ..... stopped working 245  and tweezers 120, who may have come across this or have some thoughts on this matter, I will be happy to discuss it, and this is 1000 percent software problem because everything has already been rechecked
My issue was hardware one, at least you can try  re soldering Q2 driving circuit also.
6
Project logs / Re: Really universal soldering controller
I'll order the parts and test, it would be great if you could update the board :-)
It is ready. I pm to you the link. If someone do not need noise protection part of the board, he needs to populate only 1 resistor and the fet tr. by channel - all the rest is the same. V1.2 differs from the old one only by rotated J3 connector (180 deg.), but it is marked properly.
10
Project logs / Re: Really universal soldering controller
Thank you Afedorov for posting the correct diagram and save a time. His diagram is wrong from the beginning ( Vadc is over and from there is coming the rest, no on-off and other mish-mash calc.) Needs to be checked some points. Vref at U5/p16, U11/p6 and also -0.6V at U16/p5, U18/p4, U13/p4, to check again if calibration passes correct.
Need to be sure that Vadc is in correct range to find out what is wrong, Vadc or controller readings.
11
Project logs / Re: Really universal soldering controller
Thanks! I'm still tweaking some things but the core is for the most part done.

Does anyone know if we can bump up the max power for the T245? I know it's currently configured to 130 Watts but was wondering if there was any reason from bumping it up to 150 or 160. I currently have a 160 VA transformer.
Just start using it and you will soon realize why you don't need more powerful one. Current is a software limited to 5A. If you need more power use bigger tips.