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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
26 / 39
#define POWER_LOSS_RECOVERY // enable power loss recovery
#define PLR_ENABLED_DEFAULT true // true default to power loss recovery
enanbled
#define POWER_LOSS_ZRAISE 10 // raise the print head by 10mm after
power loss to prevent the nozzle from touching the printed part.
#define POWER_LOSS_STATE HIGH // set signal level UPS 24V V1.0 returns
low level when not triggered and HIGH level when power is cut, thus this
setting needs to be HIGH.
4.3.10 RGB
#define NEOPIXEL_LED // enable Neopixel
#define NEOPIXEL_TYPE NEO_GRB // set Neopixel type
//#define NEOPIXEL_PIN 4 // disable PIN settinguse the correct signal pin
in the pin file of the motherboard
#define NEOPIXEL_PIXELS 30 // number of leds
#define NEOPIXEL_STARTUP_TEST // the light will show red green and blue
sequentially to self-test.

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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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