For the mDNS challenged Windows users the printer now has a static ip, so http://192.168.110.150/ should work.
We also added a big red button for enabling "main power" to the bed and printer motors/extruder.
The "hacklab" user no longer has admin privileges to enable main power, push the button to do it, the same process that watches for the GPIO event from the button also checks if a print job is active, if nothing happens for 15 minutes it will automatically disable the bed, motors etc.
The red led on the button is lit when power is on.
NOTE: It seems switching the lights nearest to the rack on or off causes the GPIO event to trigger (maybe we need to add analog RC-filter there), but it will power down again after 15 minutes so no problem.
Remember: if you start a print job but the heat will not rise, first make sure the power is on, go push the button...