Hi,
I am just about to start using my newly built mini Kossel. I use a Melzi board with Marlin FW. My problem is that the heatbed temp is zero. If I switch the hot-end sensor and the bed-sensor I can verify that the sensor itself works fine. I have also followed the signal to the pin of the ATMEGA1284 and no problems there. The voltage at the two sensor inputs are the same so there are no shorts etc. The thermistor is configured the same as the hot-end.
Any clues? I have checked pins.h etc and cannot find anything wrong.
Any help is appreciated!
Thanks,
Jan