Rumba32 V1.0 mannul
SHENZHEN BIGTREE TECHNOLOGY CO., LTD.
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main fan or heating rod 3 selects the current power supply
voltage. On the contrary, when the jumper cap is shorted
between the middle and one side of the principle
terminal ,the selected voltage is 12V.
2
）
Do not short-circuit both sides of the 3Pin header
5.Mainboard power wiring method
1.Switching power supply dual power supply method
As shown in the figure above, you need to connect two sets
of power cords to supply power to the motherboard. They are
the motherboard power supply and the hot bed power supply.
The extra one is the hot bed interface (the wiring in the
picture is red positive and black negative)
Be sure to disconnect the 220V power supply when wiring,
and distinguish the positive and negative poles to avoid
