Yes, from a product perspective, definitely needs to be fixed ASAP!!! If you mistakenly update your FW, the printer is basically dead. You need to pull the arduino out and reflash with custom built FW. It's the pulling it out part that is a PITA.
Others might just give up and generate a call to support which isn't good either...
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gr5 2,295
HBK = Heated Bed Kit which is the new kit from UM (not yet for sale). That kit has a small circuit board and uses the PT100 temp sensor and uses a chip that creates a voltage that is sent to the arduino. The table of temperature values versus voltage is completely incompatible with typical kits out there (thermistors).
Anyway, this is a GUI bug - the GUI should not give you the HBK version if you select the checkbox "home built". It should only give you the HBK version if you selected the other checkbox. I think it says "Ultimaker Heated Bed Kit" or something like that.
I sent a message to Daid about this yesterday and no reply yet. He's busy doing something else I guess. To him it probably seems minor (one line of code) but to unsuspecting people with home built beds it's quite annoying.
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