Yes, I took that photo a year ago, when I replaced broken MCU.
Now I really need to know the values on those 3 resistors marked on attached picture, as 1k for all of them did not work :(
I get ambient temp of -4, nozzle 'cold'.
The top single resistor "R19" in your latest close up picture is around 689Ω and the lower two are both the same at 600Ω each.
I was using a "Mickey Mouse" multimeter, but these values should help you. :)
Good luck
Mike
Board was inside "dead" Robox, being used as parts now, with extruder removed by another, un-powered, with no USB cable or power cable fitted, and so "in situ" measurements. Motherboard or logic board was intact though, so nothing unconnected as such. :)
Obviously there might be other components in parallel with these, as I haven't seen any schematics for the board anywhere, so take readings with "a pinch of salt", but I'm guessing 689 is probably 681Ω with tolerances, & the 600Ω might be 590 or 604Ω using SMD components.
Mike
PS I believe you might have a parcel on the way too, so you'll be able to measure those. ;)
Mike
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