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Chinese Thermocouple for Ultimaker ?

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I had issues with 2 official thermocouples, the first could not even be inserted into the aluminum block because the diameter was too large, the replacement they sent was able to be inserted, but once heated it expanded and is stuck in the block. For some people this may not be an issue, but for me it made dissembling the hot end more difficult (I occasionally get clogs requiring acetone soaking).

Personally, I would order Chinese in the future because of the size issues with the newer official thermocouples did not justify the cost (my older official thermocouples have no issue being removed and reinserted into the aluminum block).

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I had issues with 2 official thermocouples, the first could not even be inserted into the aluminum block because the diameter was too large, the replacement they sent was able to be inserted, but once heated it expanded and is stuck in the block.  For some people this may not be an issue, but for me it made dissembling the hot end more difficult (I occasionally get clogs requiring acetone soaking).

Personally, I would order Chinese in the future because of the size issues with the newer official thermocouples did not justify the cost (my older official thermocouples have no issue being removed and reinserted into the aluminum block).

 

You could use the E3D pt100 heater blocks. They cost almost the same as the originals and the heater/sensor grips with m3. They are much much easier to add/remove. They are a bit smaller but on my second printer it's working just fine.

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So,

i went on github and get the ultimaker marlin file. But I don´t know how to get the right pins, board an thermistor, I think it wil be number 5. I use Arduino 1.6

[media-thumb=20636]

I choose 7 for the 1.5.7 board

1.thumb.JPG.ce07e5590303402f19ac6a359d9feb4c.JPG

then I set the thermistor on 5 and for heatbed on 20

1.thumb.JPG.ce07e5590303402f19ac6a359d9feb4c.JPG

but where can I find the board in pins.h andf which pins I have to change?

2.thumb.JPG.a785299b28f9bb2f63d42f84052f4b39.JPG

so maybe you can help me?

1.thumb.JPG.ce07e5590303402f19ac6a359d9feb4c.JPG

2.thumb.JPG.a785299b28f9bb2f63d42f84052f4b39.JPG

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can me anybody explain how to get the pt100 amplifier get work on ultimaker 1.5.7 board?

 

http://wiki.e3d-online.com/wiki/E3D_PT100_Amplifier_Documentation

And to see where it goes on your board check the ultimaker original github for documentation

 

So,

i went on github and get the ultimaker marlin file. But I don´t know how to get the right pins, board an thermistor, I think it wil be number 5. I use Arduino 1.6

I choose 7 for the 1.5.7 board

then I set the thermistor on 5 and for heatbed on 20

but where can I find the board in pins.h andf which pins I have to change?

so maybe you can help me?

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