![]() I hooked a fan to the power output MOSFET for the third extruder hot end and was able to confirm that it receives 12 V when the third hot end is commanded on, and turns off when the temperature is set to zero. I've already installed a thermistor dangling inside the enclosure and hooked it to the third extruder temperature input of the RUMBA, and have successfully configured my host software (Octoprint) to pretend that it has a third extruder. ![]() I intend to control the temperature by treating the heater as a third hot end. The heater's power source will be 120 V AC from the wall, switched by a relay. I'm trying to add an enclosure heater and control the enclosure temperature with the RUMBA instead of a secondary thermostat/controller. ![]() Two extruders, both hot ends controlled via auto-tuned PID loop ![]()
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