hello all!
firstly look here: https://www.eevblog.com/forum/reviews/jbc-soldering-iron-stand-wiring/ to see the pinout of the stand. (or below).
the stand connects like this:
and the cartridge like this:
i'm looking to create my own "3+1" (2 iron, 1 tweezers) JBC station. i'm going to do that using a circuit which i've posted about here: https://forum.allaboutcircuits.com/threads/help-with-triac-selection-for-heater-control.163903/
my question is how does the JBC station detect that the iron is placed inside the holder? the cartridge has 3 pins. does it detect when the ground connects to the stand completing a circuit? does anyone have any recommendations for a circuit to detect this? my system uses 24vac, and the controller is 5v tolerant.
could i just use a 4N25 (or similar) opto isolator? here is something quick i whipped up to show what i mean:
any help/ recommendations are appreciated. i know that this is probably a simple problem, but it has me stumped on proper implementation. thanks!
firstly look here: https://www.eevblog.com/forum/reviews/jbc-soldering-iron-stand-wiring/ to see the pinout of the stand. (or below).
the stand connects like this:
and the cartridge like this:
i'm looking to create my own "3+1" (2 iron, 1 tweezers) JBC station. i'm going to do that using a circuit which i've posted about here: https://forum.allaboutcircuits.com/threads/help-with-triac-selection-for-heater-control.163903/
my question is how does the JBC station detect that the iron is placed inside the holder? the cartridge has 3 pins. does it detect when the ground connects to the stand completing a circuit? does anyone have any recommendations for a circuit to detect this? my system uses 24vac, and the controller is 5v tolerant.
could i just use a 4N25 (or similar) opto isolator? here is something quick i whipped up to show what i mean:
any help/ recommendations are appreciated. i know that this is probably a simple problem, but it has me stumped on proper implementation. thanks!