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BIGTREETECH SKR 3 User Manual

BIGTREETECH SKR 3
39 pages
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Shenzhen Big Tree Technology CO.,LTD .
BIG TREE TECH
3 / 39
4. Marlin ...................................................................18
4.1 install compiling environment .......................................18
4.2 Download Marlin firmware ............................................18
4.3 Configure firmware ..................................................18
4.3.1 Open Marlin project ...........................................18
4.3.2 Compiling environment .........................................18
4.3.3 Configure motherboad and serial port ..........................19
4.3.4 Configure stepper driver ......................................20
4.3.5 Sensorless homing .............................................21
4.3.6 100K NTC or PT1000 ............................................22
4.3.7 BLTouch .......................................................22
4.3.8 Auto power off(Relay V1.2) ....................................25
4.3.9 Power loss revovery ...........................................25
4.3.10 RGB ..........................................................26
4.3.11 Filament sensor ..............................................27
4.3.12 smart filament sensor(SFS V1.0 / V2.0) .......................28
4.3.13 ESP3D ........................................................29
4.4 Compile firmware ....................................................30
5. Klipper ..................................................................31
5.1 Preparation .........................................................31
5.1.1 Download OS image .............................................31
5.1.2 Download and install Raspberry Pi Imager ......................31
5.2 Write image .........................................................32
5.3 WIFI setting ........................................................34
5.4 ssh connect to raspberry pi .........................................34
5.5 Compile firmware ....................................................36
5.6 Configure Klipper ...................................................37
6. Firmware update ..........................................................38

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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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