#23 – HEATED BED RELAYS (AND AC) – BUILDING THE BIG PRINTER

https://youtu.be/QLNvtewyGk8 Hi everyone! This week I swapped the two DC heated pads for the anticipated AC heated pads. As these cannot be connected directly to the ramps I'm using two solid state relays to switch the two heated pads but in a different than expected way. The two relays are wired in series so if [...]

#17 – DUAL THERMISTOR VOLCANO HEATER BLOCK – BUILDING THE BIG 3D PRINTER

https://youtu.be/qNE2j6jpHc8 This two thermistor setup will allow me to trust that the heater block will not go on fire when printing unattended (which is my primary goal with this printer). Next step in this part is to set up an Arduino board that will read the thermistor continuously when the extruder is unparked and cuts [...]