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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
22 / 39
4.3.6 100K NTC or PT1000
When using 100K NTC, pullup resistance is 4.7K, when using Pt1000, pullup
resistance is 1K,set sensor type to 1 for 100K NTC +4.7K pullup resistance ，
1010 for PT1000 + 1K pullup resistance.
#define TEMP_SENSOR_0 1
#define TEMP_SENSOR_1 1
#define TEMP_SENSOR_BED 1
4.3.7 BLTouch
//#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN //
#define BLTOUCH // Enable bltouch

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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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