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Project logs / Re: My HAKKO classic and T12/T15 soldering controller
So, the controller can drive two heaters simultaneously, reading two temperature sensors. It does not care if these two heaters are on the same instrument, or on two different instruments - it will drive them to the same temperature. If you need more, you will have to build more controllers.[/quote]
Well, I will have to look up to it after you publish the plan. (But if it will drive it to the same temperature without support in firmware for multiple tools, sleep function and so on, I think that two instruments would be impractical. Two controllers would be better choice.) My first thought was that as it has separate control and power boards, maybe it would be possible to chain two power ones to one controller board. (Will have to see if it is not bendable.)
On the side note, have you tried cheap Chinese Hakko handles? FM2028 or FX-9501? I have been thinking about ordering one but did not find many reviews. OK, I did find one in russian http://http://www.elenblog.ru/pajalniki-t12-tip-fm-2028-fx-9501-iz-kitaja/, but my russian is very bad.