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2, PMD07 motherboard wiring diagram
J7: Motor interface and DC power interface
Motor Interface: As shown above, the motor interface corresponds to the
green line, red line, yellow line and blue line of the stepper motor from
right to left.
DC Power Interface: DC 24V power supply.
J5: OLED display interface
Connect the OLED display (0.9 "), the display content is speed, running /
stop status display, direction display (as shown below).