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EPCOS 100K Thermistor and wrong temperature showing (155)

carmamir

By carmamir
in UltiMaker 3D printers

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carmamir

carmamir 0

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Posted · EPCOS 100K Thermistor and wrong temperature showing (155)

I uploaded firmware with EPCOS 100k and 4.7k pullup.

Unfortunately temp still is wrong (first I tried without pullup) and shows 155.

I used marlinbuilder, and option extruder temp sensor 100k thermistor - best choice for EPCOS 100k (4.7k pullup).

Looks like Ultimaker still using default settings for AD595 instead of selected 100k (after I connect AD595 it will show correct temperature).

Don't ask my why I don't want AD595.

*****

Update

Solved by removing IC component. Directly connected to Arduino it worked :)

 

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