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BIGTREETECH SKR 3 User Manual

BIGTREETECH SKR 3
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Shenzhen Big Tree Technology CO.,LTD .
BIG TREE TECH
24 / 39
#define GRID_MAX_POINTS_X 5 // set number of probe points for x axis, usually
5 point is sufficient
#define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X // set number of probe points
for Y axis to the same as X axis
If bltouch also functions as your Z homing sensorno wiring change is needed,
#define USE_PROBE_FOR_Z_HOMING // use Z Probe(BLtouch) for Z homing
#define Z_SAFE_HOMING // home Z at the center of print bed to prevent probing
outside of the print bed.

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BIGTREETECH SKR 3 Specifications

General IconGeneral
Frequency480 MHz
Driver InterfaceSPI/UART
Logic Voltage3.3V
Heated Bed Output1
Fan Outputs3
Endstop Inputs6
Stepper Motor Connectors6
USB Port1 x USB Type-C
Display SupportYes
BLTouch ConnectorYes
Dimensions110mm x 85mm
Motor Driver SupportTMC5160, TMC2209
Input Voltage12-24V DC
Operating Voltage12-24V DC
Communication InterfaceUSB, CAN, UART
FirmwareMarlin, Klipper
Heater Output2
Fan Connectors3
Heater Connectors3
SD Card SlotYes
Display ConnectorEXP1, EXP2
Thermistor Inputs5

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