BIG TREE TECH SKRat v1.0 Bedienungsanleitung

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

1/ 48

BIGTREETECH

SKRat v1.0

User Manual

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

2/ 48

Contents

Revision History .............................................................5

Product Profile ...............................................................6

Feature Highlights........................................................6

Specifications............................................................7

Firmware ................................................................7

Dimensions ..............................................................8

Peripheral Port ...............................................................9

Connector Diagram.......................................................9

Pinout Diagram...........................................................9

Function Introduction........................................................10

LED Indicator Light ......................................................10

USB Power Supply ......................................................10

Downloading Firmware via DFU ..........................................11

To Choose the Working Mode of the TMC Driver ...........................11

STEP/DIR ...........................................................11

UART...............................................................12

SPI .................................................................13

Sensorless Homing..................................................13

Fan Voltage Selection....................................................14

+5V.................................................................14

12V.................................................................14

VIN .................................................................14

2-pin Fan Wiring.........................................................15

4-pin Fan Port Wiring ....................................................15

Proximity Switch ........................................................16

Voltage Selection....................................................16

PNP/NPN Type ......................................................16

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

3/ 48

Proximity Switch Wiring .................................................17

Auto Power off (BIGTREETECH Relay V1.2) Wiring.........................17

Power Loss Recovery (BTT UPS 24V V1.0) Wiring..........................18

RGB Wiring .............................................................18

BLTouch Wiring .........................................................19

Filament Sensor Wiring ..................................................19

LCD Display Wiring......................................................20

SPI, I2C, UART ..........................................................20

100K NTC ...............................................................21

CAN bus Wiring .........................................................22

Marlin ......................................................................23

Install Compiling Environment ...........................................23

Download Marlin Firmware ...............................................23

Configure Firmware .....................................................23

Open Marlin Project .................................................23

Compiling Environment ..............................................23

Configure Motherboard and Serial Port ...............................24

Configure Stepper Driver.............................................25

Sensorless Homing..................................................25

100K NTC ...........................................................26

Max31865 ...........................................................26

BLTouch ............................................................27

Auto Power Off (Relay V1.2) ..........................................30

Power Loss Recovery................................................30

RGB ................................................................31

Filament Sensor.....................................................32

Smart Filament Sensor(SFS V1.0).....................................32

Compile Firmware .......................................................34

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

4/ 48

Klipper .....................................................................35

Using Raspberry Pi ......................................................35

Download OS Image .................................................35

Download and Install Raspberry Pi Imager ............................35

Write Image .........................................................36

Using BIGTREETECH CB1 ...............................................39

Download OS Image .................................................39

Download and Install balenaEtcher ...................................39

Write OS ............................................................39

WiFi Setting.........................................................41

Configure the Motherboard...............................................42

SSH Connect to Device ..............................................42

Compile MCU Firmware ..............................................43

Firmware Update ....................................................44

Configure Klipper .......................................................46

Firmware Update ............................................................48

Cautions....................................................................48

FAQ ........................................................................48

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

5/ 48

Revision History

Version

Note

Date

01.00

Original

2023/02/25

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

6/ 48

Product Profile

BIGTREETECH SKRat v1.0 is a 3D printer motherboard jointly launched by

Shenzhen Big Tree Technology Co., Ltd. and Rat Rig.

Feature Highlights

32-bit 64 MHz ARM Cortex-M0+ series STM32G0B1VET6 MCU.

Onboard BOOT button to enable DFU mode to update the bootloader.

The thermistor circuit is protected to prevent MCU damage from shorted

heated bed and heater cartridge connection.

Four 2-pin fan ports, one always-on fan port, and two 4-pin fan ports.

All fans can realize VIN, 12V, 5V voltage selection via jumpers, and different

voltages can be set separately for different ports.

Integrated SPI and UART mode of TMC driver and DIAG pin, easily

configurable with jumpers.

Supports power loss recovery, filament runout sensor, auto power-off,

BLTouch, proximity switch, RGB, etc.

Onboard non-spring loaded microSD card slot for upgrading and configuring

firmware through microSD card, which is simple, convenient, and efficient.

Onboard CAN bus port.

The SPI expansion port is +3.3V and +5V selectable, which is convenient to

connect expansion modules, such as an ADXL345 accelerometer.

Onboard UART and I2C expansion output ports.

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

7/ 48

Specifications

Dimensions

110 x 85mm, for details please refer to BTT

SKRat_V1.0_SIZE

Mounting Size

110 x 85mm

MCU

ARM Cortex-M0+ STM32G0B1VET6

Input Voltage

DC12V-DC24V

Logic Voltage

DC 3.3V

Heater Connection

Heated Bed (HB), Heater Cartridge (HE0, HE1)

HB Port Max. Current

10A Continuous, 15A Instantaneous

Heater Cartridge

Max. Current

8A Continuous, 10A Instantaneous

Fan Port

4 x CNC, 1 x Always On, 2 x 4-pin Header

Fan Port Max. Current

1A Continuous, 1.5A Instantaneous

Overall Current

(Heater Cartridge +Drivers+All

Fans)

＜15A

Expansion Port

BLTouch (Servos, Probe), PS-ON, PWR-DET,

Fil-DET, RGB, CAN-FD, SPI, UART, I2C

Stepper Driver Mode

SPI, UART, STEP/DIR

Stepper Motor Socket

X, Y, Z (Dual Z axes), E0, E1 5 channels in total

Thermistor

5 x NTC Ports, 1 x PT100/PT1000

Display

2.4-inch TFT, 3.5-inch TFT, LCD12864 Screen...

PC Connection

Type-C

Supported File Format

G-code

Recommended Slicer/Console

Cura, Simplify3D, Pronterface, Repetier-host,

Makerware

Firmware

Supported Firmware: Marlin, Klipper

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

8/ 48

Dimensions

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

9/ 48

Peripheral Port

Connector Diagram

Pinout Diagram

For details please refer to BTT SKRat_V1.0_SIZE.

Shenzhen Big Tree Technology Co., Ltd.

BIGTREETECH

10 / 48

Function Introduction

LED Indicator Light

After the motherboard is powered on:

Power-Red Light-Power Indicator: The solid red light indicates normal

motherboard power.

Status-Green Light-Status Indicator: When updating firmware, this light will flash

and then be controlled by the firmware.

D10-Green Light-HB (Heated Bed) Status Indicator: The light will remain solid

green when the heated bed is working and turn off when it is not.

D3, D6-Green Light-E0, E1 (Heater Cartridge) Status Indicator: The light will

remain solid green when the heater cartridge is working and turn off when it is

not.

FAN0, FAN1, FAN2, FAN3-Blue Light-CNC Fan Status Indicators: The blue lights

turn on when the corresponding CNC fan is running and turn off when the fan is

off.

MFAN-Blue Light-MFAN Status Indicator: The blue light will remain on when the

power supply is normal.

USB Power Supply

After the SKRat has been powered, the Power-Red Light on the middle of the

board will light up, indicating power on. If using USB to power the board, please

short the USB_5V with a jumper.

Inhaltsverzeichnis

Andere BIG TREE TECH Computerhardware Handbücher

BIG TREE TECH

BIG TREE TECH E3 RRF IDEX V1.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH ADXL345 V2.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH MINI12864 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH EBB42 CAN Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH TFT35 V3.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH S42C Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH CB1 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH MANTA M5P V1.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH Octopus MAX EZ V1.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH S2DW V1.0 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH SKR CR6 V1.0 Montageanleitung

BIG TREE TECH

BIG TREE TECH CB1 Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH Octopus MAX EZ Bedienungsanleitung

BIG TREE TECH

BIG TREE TECH Pi V1.2 Bedienungsanleitung

Beliebte Computerhardware Handbücher anderer Marken

EMC2

EMC2 VNX Series Betriebsanleitung

Panasonic

Panasonic DV0PM20105 Bedienungsanleitung

Mitsubishi Electric

Mitsubishi Electric Q81BD-J61BT11 Bedienungsanleitung

Gigabyte

Gigabyte B660M DS3H AX DDR4 Bedienungsanleitung

Raidon

Raidon iT2300 Bedienungsanleitung

National Instruments

National Instruments PXI-8186 Bedienungsanleitung

Hauppauge

Hauppauge WinTV-HVR-2250 Bedienungsanleitung

Kontron

Kontron CP6002 Bedienungsanleitung

Manhattan

Manhattan 702843 Bedienungsanleitung

Aphex

Aphex 230 Bedienungsanleitung

AMD

AMD Phenom II Betriebshandbuch

Intel

Intel NUC 12 Pro Bedienungsanleitung

dbx

dbx Zone Pro 1260 Bedienungsanleitung

Galaxy

Galaxy GHDX2-2430S-24F4D Bedienungsanleitung

Intel

Intel AXXRMFBU4 Bedienungsanleitung

Kontron

Kontron DIMM-PC/MD Bedienungsanleitung

ST X-NUCLEO-SAFEA1B Betriebsanleitung

STEINWAY LYNGDORF

STEINWAY LYNGDORF SP-1 Bedienungsanleitung