ankermake / AnkerMake-Marlin

AnkerMake M5 Firmware for Anker's 3D printers
GNU General Public License v3.0
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Turn off hotend fan when printer is idle #3

Open spuder opened 1 year ago

spuder commented 1 year ago

Thanks for making such a great product.

As a customer I love to have my 3d printers on standby so I can print without having to walk into another room. However having the printer fan constantly running is unpleasant, especially because none of my other printers make noise while idle.

Please update the firmware so that if the hotend is cold, the fan turns off

Research

(Credit to kivinen in the discord for finding the following)

  1. The hotend fan has 3 wires. Confirmed that there is RPM control to keep fan running at consistent speed. (Opposed to being tied directly to the PSU).
  2. The hotend fan is named FAN3 on the pcb
Screen Shot 2023-03-17 at 10 03 07 PM
  1. anker_nozzel_board.cpp has the following functions and commands.
anker_nozzle_board_get_fan_info M3004
anker_nozzle_board_set_fan_pwm_num M3005 value
anker_nozzle_board_set_fan_pwm M3006 num adc pwm

This seems like the most likely location to configure the fan speed, however without the ability to send gcode with ponterface/octoprint I've been unsuccessful in verifying this theory.

  1. gcode.pp line 111 passes M3001, M3002, M3003, M3004, M3005, and M3009 to the nozzle board.

  2. M3001_M3009.cpp sends commands to nozzle board

  3. Configuration_adv.h only has 1 enabled fan. This most likely is not the hotend fan

spuder commented 1 year ago

Related Discord feature requests

CLARENNE-Q commented 1 month ago

Good feature !