Initial Upgrades
Mar 14, 2022
Huy Le
2 minute read

Track of things I’ve added to the Ender 3 V2 to make it work the way I want it to work.

Firmware #

Added Octopi #

  • Allow for remote monitor
    • could use Octopi to be the ‘host’ and send instruction, but were gonna use it for remote monitoring
  • fixed under voltages with electrical tape - The neverending undervoltage error: octoprint
  • decided on klipper and mailsail instead

better fan? #

Upgrade fillament holder #

Upgrade to touch for z calibration #

  • auto bed leveling video

  • Extra code to add in to start up

    ; Ender 3 Custom Start G-code
    G92 E0 ; Reset Extruder
    G28 ; Home all axes
    G29 A ; Activate UBL
    G29 L ; Load last used UBL mesh
    G29 J2 ; 3 point probe to tilt the mesh
    G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed
    G1 X0.1 Y20 Z0.3 F5000.0 ; Move to start position
    G1 X0.1 Y200.0 Z0.3 F1500.0 E15 ; Draw the first line
    G1 X0.4 Y200.0 Z0.3 F5000.0 ; Move to side a little
    G1 X0.4 Y20 Z0.3 F1500.0 E30 ; Draw the second line
    G92 E0 ; Reset Extruder
    G1 Z2.0 F3000 ; Move Z Axis up little to prevent scratching of Heat Bed
    G1 X5 Y20 Z0.3 F5000.0 ; Move over to prevent blob squish
    • End G-code
    G91 ;Relative positioning
    G1 E-2 F2700 ;Retract a bit
    G1 E-2 Z0.2 F2400 ;Retract and raise Z
    G1 X5 Y5 F3000 ;Wipe out
    G1 Z10 ;Raise Z more
    G90 ;Absolute positioning
    G1 X0 Y{machine_depth} ;Present print
    M106 S0 ;Turn-off fan
    M104 S0 ;Turn-off hotend
    M140 S0 ;Turn-off bed
    M84 X Y E ;Disable all steppers but Z

Upgrade Fan to silent the run #

Working next to the printer is pretty loud when it is running full force

  • good video to watch
    • has good links to part list
    • has good 3d parts for fan upgrades
    • used hot glue for wire management

Supplies #

  • need one 40x10 for psu
  • need two 40x20 for hotend - could be 40x10 if keeping stock fans
  • need buck converters to get from 24v to 12v

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