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myCNC-ET9 (ET7-R4 and above)

The myCNC-ET7R4 (also called the myCNC-ET9) controller is the updated version of the myCNC-ET7 board with some additional functionality. For information on the ET7, please consult the following manual: myCNC-ET7 CNC controller

The board naming is different due to a different chip, which requires a separate version of the firmware from the regular ET7 boards (such as ET7R3).

NOTE: The ET7R5 (Revision 5) and the ET7R6 (Revision 6) controllers use the same ET9 firmware as ET7R4. The functionality between R4 and R5/R6 versions of the board remains the same.

The ET7R4 controller is pictured below:


The myCNC-ET9 pictured with a DC motor driver:


myCNC-ET9 main features in addition to the fucnctionality present on the previous iterations of the board:

  • Motor driver can be plugged into an auxiliary connector (outputs #17/#18)
  • 2 PWM ports duplicated (PWM1, PWM2)
  • Since the driver board is designed for 2 motors, therefore the ET9 has support for both

Reflashing the ET9 board

mycnc/mycnc_et9.txt · Last modified: 2023/03/16 08:35 by ivan

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