This week I finally found the time to add them to my monitoring system using thisplugin .
Using check_mk and mrpe integrating the plugin was quite easy. I just had to add
TEMP-BL /usr/local/nagios-plugins/check_eds_tempprobe.py -H 1-wire -p 2 -w 26 -c 30
to the mrpe.cfg on my home server.
And I even get pictures:
Now I only have to cleanup my cabling and find a good position for the outside sensor.