Schematics for PT100 board not on Github?

[DocTrucker]

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.

[dc42]

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.

[DocTrucker]

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?

[T3P3Tony]

@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

[DocTrucker]

Thanks. Was looking on the right github but wrong place!