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 [...]
This is the power supply of an LED lighting system in a Springfield clothes shop. It has still the cardboard box in which the PS comes when you buy it and its fixed with duct tape to the steel structure. I guess if that cardboard is fire retardant and self extinguisable.
When the first extruder of my Rapman 3.1 broke I tried to fix it, as it was beyond the repair point I went to the manufacturer website to buy a new one but, at 200€ a pop, was too expensive for the durability it had so I decided to make a new one myself. I [...]