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Shenzhen BIGTREE technology co., LTD.   

BIG TREE TECH

 

 

 

the reset key, wait for about 10S. After that, the update can be completed.

 

3.

For DIY motherboard firmware, please refer to BTT SKR MINI E3 

V2.0-PIN.pdf data.

 

 

 

VI.Notes 

1.Firmware  file  names  in  SD  Card  cannot  be  changed. 

(including both upper and lower case letters).

 

2.The wiring process and the plug-in drive process must be 

carried out under the premise of power off. The power on can 

be started after checking the correct connection of the line 

and the correct insertion of the drive, so as to prevent the 

wrong connection of the mainboard and drive from being burnt 

down and causing unnecessary losses.

 

3.The E3 motherboard can support the LCD12864 screen with 

the interface CR10_STOCKDISPLAY. 

 

 

If you encounter other problems, please contact us. We will 

 

definitely answer your questions patiently. If you have any good 

 

suggestions on our products, please give us feedback. We will 

 

consider them seriously. Thank you for choosing BIGTREETECH 

 

products!

 

Summary of Contents for SKR MINI E3 V2.0

Page 1: ...Shenzhen BIGTREE technology co LTD BIG TREE TECH BIGTREETECH SKR MINI E3 V2 0 Operation Manual of the Motherboard ...

Page 2: ...utput current can reach 2 5A 2 The hot bed MOS tube uses WSK220N04 low on resistance larger heat dissipation area and reduce heat generation 3 Onboard Sensorless homing function which can be used by plugging in the jump cap 4 Optimize the PCB board and frame to avoid the phenomenon of screw hole gap and screws hitting components 5 Support BLtouch filament detection BTT UPS 24V V1 0 BTT Relay V1 2 ...

Page 3: ... port which saves IO and enhances stability 2 Motherboard parameters Appearance size 100 75 70 25mm Installation size check BTT SKR MINI E3 V2 0 SIZE pdf for details Layer 4 layers MCU ARM Cortex M3 STM32F103RCT6 Power input DC 12 24V Logic voltage 3 3V Motor driver UART mode of onboard TMC2209 Motor drive interface XM YM ZAM ZBM EM Temperature sensor interface TH0 THB 2 channels 100K NTC thermal ...

Page 4: ...red light is the Status indicator when updating the firmware it will flicker D8 green light is the HB status indicator for the hot bed it is always on when heated and it goes out when not heated D6 green light is the indicator light of E0 status of the heating tube it is always on when heating and it will go out when not heating D10 green light for CNC fan FAN0 status indicator it lights up when t...

Page 5: ...ard communicates with the PC Windows system through the USB interface Before communication the driver needs to be installed to be used normally Driver acquisition method Website https github com bigtreetech Download the file named mapleDrv to install it IV Interface Instruction 1 Motherboard Size Diagram ...

Page 6: ... Homing Function Selection As shown in the figure the Sensorless homing function can be used to connect the corresponding axis with the jumper cap Note if you select this feature you cannot use external ENDSTOP 4 5V power selection for BLtouch TFT and RGB interfaces 1 onboard 5V power supply ...

Page 7: ...Shenzhen BIGTREE technology co LTD BIG TREE TECH 2 Use BIGTREETECH DCDC5V V1 0 module 5V power supply 5 Connection with BIGTREETECH Relay V1 2 ...

Page 8: ...Shenzhen BIGTREE technology co LTD BIG TREE TECH 6 Connection with BTT UPS 24V V1 0 7 Connection with Neopixel lights ...

Page 9: ...n needs 1 The Firmware Acquisition Method of Motherboard Obtain by Ask customer service or technical personnel Download at our Company Open source website https github com bigtreetech 2 Motherboard Firmware update method Choose the file suitable for your model in the downloaded firmware package to copy to SD Card Root directory Note File name cannot be changed firmware bin must be lowercase Insert...

Page 10: ...mise of power off The power on can be started after checking the correct connection of the line and the correct insertion of the drive so as to prevent the wrong connection of the mainboard and drive from being burnt down and causing unnecessary losses 3 The E3 motherboard can support the LCD12864 screen with the interface CR10_STOCKDISPLAY If you encounter other problems please contact us We will...

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