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Motherboard Precautions

Power Indicator Lights​

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  • When powered only via TYPE-C without connecting any other motherboard power sources, at least two lights should be on: 3.3V and 5V.
  • After connecting the motherboard power supply, the motherboard power indicator lights should show 3.3V, 5V, and VCC.

Troubleshooting​

Important Notes
  • With no external devices connected (drivers, limit switches, 12864 displays, etc.)
  • When powered only via TYPE-C, at least the 3.3V light should remain steadily lit.
  • If the 5V light does not turn on after connecting both the motherboard power supply and driver power supply, please contact customer service for support.

Drivers​

  • The motherboard supports external drivers. Wiring and Configuration Tutorial

Limit Switch Ports​

  • Please pay attention to the wiring order. For three-wire limit switches, note the connections for 5V, GND, and S. Incorrect wiring may cause damage to the motherboard.
  • For two-wire limit switches, simply connect S and GND.
  • PL08 and other proximity switches require an external diode on the signal port to reduce the voltage to below 3.3V.
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