Schematics for PT100 board not on Github?
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Hi all,
Can someone point me toward the schematics for the PT100 daughter board? I can't see them on the Github.
Alternatively looking for an economic MAX31865 card with 400Ohm reference resistors rather than the 430 that seems common on ebay.
Thanks.
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You can use interface boards with 430 ohm resistors with recent firmware versions because the M305 command accepts an R parameter. However, if you have a Duet WiFi or Duet Ethernet then I suggest you buy the official daughter board to use it with PT100 sensors, otherwise we can't support you if it doesn't work.
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Thanks for the clarification regarding the 430ohm. You may wish to tweek the wiki in relation to connecting PT100 to v0.6 boards - it still suggests a board with a 400ohm reference resistor.
Where's the schematic for the PT100 daughter boards?
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@doctrucker the temperature daughter board schematics an kiCAD projects are shared on the T3P3 github. Here is the PT100 schematic:
https://github.com/T3P3/TempDaughterboards/blob/master/MAXTempRTD/MAXTempRTDv1.1.pdf -
Thanks. Was looking on the right github but wrong place!