Ender 3 Auto power off switcher

thingiverse

Add some feature on your printer: An auto power-off switch. The goal is to auto power off your printer when the print has ended. Useful for (very) long prints Based on this video: https://youtu.be/1jNsF7NxjuU Material needed: - Electrical small switcher: https://www.amazon.fr/gp/product/B073PCWDY6 - Electric cable (~40-50cm) - 2x Electric pod (like this: https://www.amazon.fr/110x-Cosse-Electrique-Plate-Bleue/dp/B075XFKLGH) Add this gcode at the end of your print (adjust the X move depending of your printer, DO TESTS BEFORE): ; This block wait for printer temperature to cool down before power-off M117 Cooldown temperature ; Display message M106 S255 ; Fan 100% M109 R50.000000 ; Wait for temperature to be 50C M104 S0 ; Extruder heat stop M140 S0 ; Bed heat stop M106 S0 ; Stop fans M117 Finished ; Display message ; This block is used to hit the power switcher and auto power-off G90 ; Absolute postionning G0 Y300 F3000 ; Put bed front of the user G0 X268 F3000 ; Move X axis to hit the switch <--- Change the X value depending on your printer, do tests before G0 X250 F3000 ; Move X axis back to allow switch to be manually power on by hand <--- Change the X value depending on your printer, do tests before