Digital light control of Anycubic i3Mega

thingiverse

Digital light control of Anycubic i3Mega This is a remix based on https://www.thingiverse.com/thing:2598081 and https://www.thingiverse.com/thing:3249319. This customized version of the Marlin Firmware was created, gratefully based on derhopp's repo with his remarkable efforts to get the Anycubic i3 Mega TFT screen working properly. Since I'm not using a second hotend, I use pwm pin 45 for managing CASE_LIGHT. Because of the MOSFET transistor FDD8780, it can be used to load up to 50W without any extra cooling. There are several extra options available: In Configuration_adv.h file, uncomment them by removing the '//' Line 263: #define CASE_LIGHT_ENABLE Modify Line 265: #define CASE_LIGHT_PIN 45 Line 1433: #define PINS_DEBUGGING In pins_TRIGORILLA_14.h file, add: Line 40: #define PS_ON_PIN 45 Line 41: #define CASE_LIGHT_PIN 45 Modify Line 90: #define HEATER_1_PIN -1 This firmware is designed for Anycubic i3Mega Ultrabase with two z endstop and stock drivers. For more details about the flashing process, check out https://www.thingiverse.com/thing:3249319. After changing the firmware, a few things should be set from the custom menu: -Load FW Defaults -Auto tune Hotend PID -Auto tune Hotbed PID -Start Mesh Leveling -Save EEPROM The light should only shine on the print model and not dazzle. Managing the light is done with the command M355. http://marlinfw.org/docs/gcode/M355.html Usage: M355 [P<byte>] [S<bool>] Parameters [P]byte> Set the brightness factor from 0 to 255. [S<bool>] Turn the case light on or off. Example: Turn the case light on at half brightness M355 S1 P128