SKR Pro V1.2 User Manual Shenzhen Biqu Technology Co., Ltd.
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2) Change the position of the hot bed fuse, effectively deal
with the overheating of the PCB at the bottom of the fuse
when the hot bed is heated;
3) Analog quantity (AD) input increased clamping diode,
effectively protect the chip;
Ⅴ、mainboard power selection
1. Power jumper cap selection
①USB power supply ↓ ②12/24 v power supply↓
mainboard power selection
1)As shown in the red box, when the jumper cap is
connected to IN and VCC, the motherboard selects 12V/24V
power supply; when the jumper cap is connected to USB
and VCC, the motherboard selects USB power supply.
2) If the jumper cap has USB power selected, the 5V and
3.3V indicators will also light.