Table of Contents
Kelvin PT-100
Got to http://www.grodansparadis.com for up to date info 
Current Harware Version: 0.0.1 Current Firmware version: 0.0.1
Download
Everything for the project can be downloaded at the following link
http://www.dosilos.se/download/hardware/kelvin/sht
Firmware
Version 0.0.1
MDF File 0.0.1
Schematics
Discussion