SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd.
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3) When the main board is powered by 12V/24V, the 12V
indicator will be lit. If the jumper cap has 12V/24V power
supply, the 3.3V, 5V and 12V indicators will be illuminated.
Ⅵ、mainboard power wiring methods
1. Three Power supply method of switching Power supply
As shown above, three sets of power lines need to be
connected to the motherboard, namely, motor power supply,
hot bed power supply and motherboard power supply, and
the extra group is hot bed interface.
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