Shen Zhen Big Tree
Technology CO.,LTD.
BIG TREE TECH
3. Potentiometer adjustment instructions
Rotate the potentiometer clockwise: reduce Vref to reduce the driver
current;
Turn the potentiometer counterclockwise: Increase Vref to increase the
driver current.
The exact voltage of Vref must be measured when the main board is
supplied with 12V or 24V.
Range of Vref values: default: 1V (±0.2); MAX: 2.4V; MIN: 0V;
Do not use too much force when rotating the potentiometer to prevent
irreversible damage to the potentiometer; when it is rotated
counterclockwise to the maximum value, it will become the minimum
value if it continues to rotate; similarly, when it is rotated clockwise to
the minimum value, If you continue to rotate, it will become the
maximum value;
SPI mode firmware change instructions：
For example，(Marlin-2.0)BIGTREETECH SKR V1.3 ：
Configuration.h file：
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