About this item

• Super quiet. Ender 3 Pro Upgrade 32bit Motherboard V4.2.7 Compatible with Creality Ender 3, Ender 3 Pro 3D Printer PLEASE NOTE: It is just plug and play for Ender-3 and Ender 3 Pro.
• Driver – The driver chip is upgraded to the silent TMC2209 chip, the motor runs smoother, the noise is lower and quieter, and the noise value is ≤50db.
• Update firmware – Please copy the firmware file to a formatted SD card without any other files on it. Turn off the printer and unplug the power cable. Insert the SD card and power cord and turn on the printer. Wait 10 seconds to complete the firmware update.
• The thermal runaway protection is activated. The circuit board is circuit optimised and effectively solves the heating problem.