❗ This project provides and Interactive PDF (documentation) on how to configure stepper motor driver boards and how to use them with the SKR PRO V1.1 (3D printer controller) board. This manual also shows the user how to connect additional equipment to the SKR PRO V1.1 Board: Raspberry Pi, BLTouch, BTT Smart Filament Sensor, PT100 sensor via Analog ADC I/O Input (PT100 Amplifier), PT100 sensor via Software SPI (Adafruit MAX31865 Amplifier), K-Type Thermocouple via Analog ADC I/O Input (Adafruit AD8495 Amplifier), K-Type Thermocouple via Software SPI (Adafruit MAX31855 Amplifier) and Link to TWhite101 Instructable on how to add an EEPROM ❗
I use Git for Windows with VScode to manage this repository. I also use Git LFS extensions
for .pdf and .png files.
Install Git with LFS extensions: https://git-lfs.github.com/
To Download the whole repository do the following: select the "Clone or download button" and
click on "paste to clipboard" button so you can place the URL for the GitHub repository
to the clipboard. Now Open Git Bash. Change the current working directory to the location
where you want the cloned directory.
Type git clone, and then paste the URL you copied earlier.
$ git clone https://github.com/GadgetAngel/SKR-PRO-V1.1-Stepper-Driver-Jumper-Configuration-Manual.git
Press Enter to create your local clone.
Now open Window explorer to the location of local clone.
Stepper Driver Jumper Configurations for SKR PRO V1.1 Board
By @GadgetAngel
ABOUT.............................................................................................................I
Preface...........................................................................................................1
What is a Stepper motor?........................................................................................2
Stall Detection and Sensor-less Homing..........................................................................3
Requirements Needed to Make Sensor-less Homing Work...........................................................3
Introduction to LEGENDS and Common Terminology in this Manual...................................................4
POLOLU A4988......................................................................................................6
Driver Chip Chart for POLOLU A4988..............................................................................6
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set...........7
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board8
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set.......................................................................................10
The (latest release of) Marlin Setup for POLOLU A4988 Drivers..................................................15
BIQU A4988.......................................................................................................17
Driver Chip Chart for BIQU A4988...............................................................................17
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set..........18
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board.........................................19
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set.......................................................................................21
The (latest release of) Marlin Setup for BIQU A4988 Drivers....................................................26
DRV8825..........................................................................................................28
Driver Chip Chart for DRV8825..................................................................................28
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set..........29
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board.........................................30
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set.......................................................................................32
The (latest release of) Marlin Setup for DRV8825 Drivers.......................................................38
BIQU LV8729......................................................................................................41
Driver Chip Chart for BIQU LV8729..............................................................................41
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set...42
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set................................................................................44
The (latest release of) Marlin Setup for BIQU LV8729 Drivers...................................................50
FYSETC LV8729....................................................................................................54
Driver Chip Chart for FYSETC LV8729............................................................................54
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set...55
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set................................................................................57
The (latest release of) Marlin Setup for FYSETC LV8729 Drivers.................................................63
LERDGE LV8729....................................................................................................67
Driver Chip Chart for LERDGE LV8729............................................................................67
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set...68
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set................................................................................70
The (latest release of) Marlin Setup for LERDGE LV8729 Drivers.................................................76
MKS LV8729.......................................................................................................80
Driver Chip Chart for MKS LV8729...............................................................................80
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set...81
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set................................................................................83
The (latest release of) Marlin Setup for MKS LV8729 Drivers....................................................89
FYSETC S6128 V1.1................................................................................................93
Driver Chip Chart for FYSETC S6128 V1.1........................................................................93
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set..........94
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board.........................................95
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set.......................................................................................97
The (latest release of) Marlin Setup for FYSETC S6128 V1.1 Drivers............................................103
FYSETC ST820....................................................................................................107
Driver Chip Chart for FYSETC ST820............................................................................107
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set.........108
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board........................................109
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set......................................................................................111
The (latest release of) Marlin Setup for FYSETC ST820 Drivers.................................................117
BIQU ST820......................................................................................................122
Driver Chip Chart for BIQU ST820..............................................................................122
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set.........123
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board........................................124
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set......................................................................................126
The (latest release of) Marlin Setup for BIQU ST820 Drivers...................................................132
POLOLU ST820 (STSPIN820)........................................................................................137
Driver Chip Chart for POLOLU ST820 (STSPIN820)................................................................137
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set.........138
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board........................................139
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set......................................................................................141
The (latest release of) Marlin Setup for POLOLU ST820 (STSPIN820) Drivers.....................................147
POLOLU MP6500...................................................................................................152
Driver Chip Chart for POLOLU MP6500...........................................................................152
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers
Which Do Not Have RST&SLP PINS Set..........................................................................153
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set...............................................................................155
The (latest release of) Marlin Setup for POLOLU MP6500 Drivers................................................159
POLOLU TB67S249FTG..............................................................................................163
Driver Chip Chart for POLOLU TB67S249FTG......................................................................163
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers
Which Do Not Have RST&SLP PINS Set..........................................................................164
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set...............................................................................166
The (latest release of) Marlin Setup for POLOLU TB67S249FTG Drivers...........................................172
BIQU S109.......................................................................................................176
Driver Chip Chart for BIQU S109...............................................................................176
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set..177
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set...............................................................................179
The (latest release of) Marlin Setup for BIQU S109 Drivers....................................................185
FYSETC S109.....................................................................................................189
Driver Chip Chart for FYSETC S109.............................................................................189
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Do Not Have RST&SLP PINS Set..190
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set...............................................................................192
The (latest release of) Marlin Setup for FYSETC S109 Drivers..................................................198
BIQU TMC2100 Stand-alone Mode...................................................................................202
Driver Chip Chart for BIQU TMC2100 in Stand-alone Mode........................................................202
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 1...............................203
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 2...............................204
SKR PRO V1.1 LEGEND of Driver Socket Representation for Tri State Stepper Motor Drivers.......................206
The (latest release of) Marlin Setup for BIQU TMC2100 Drivers in Stand-alone Mode.............................211
MKS TMC2100 Stand-alone Mode....................................................................................215
Driver Chip Chart for MKS TMC2100 in Stand-alone Mode.........................................................215
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 1...............................216
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 2...............................217
SKR PRO V1.1 LEGEND of Driver Socket Representation for Tri State Stepper Motor Drivers.......................219
The (latest release of) Marlin Setup for MKS TMC2100 Drivers in Stand-alone Mode..............................224
BIQU TMC2130 (SA) Stand-alone Mode..............................................................................228
Driver Chip Chart for BIQU TMC2130 (SA) in Stand-alone Mode...................................................228
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 1...............................229
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers - PART 2...............................230
SKR PRO V1.1 LEGEND of Driver Socket Representation for Tri State Stepper Motor Drivers.......................232
BIQU TMC2130 SPI Mode...........................................................................................241
Driver Chip Chart for BIQU TMC2130 in SPI Mode................................................................241
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in SPI Mode.....................244
Information on Sensor-less Homing for SKR PRO V1.1............................................................247
The (latest release of) Marlin Setup for BIQU TMC2130 Drivers in SPI Mode.....................................252
BIQU TMC2208 V3.0 (SA) Stand-alone Mode for StealthChop.........................................................266
Driver Chip Chart for BIQU TMC2208 V3.0 (SA) in Stand-alone Mode (StealthChop)................................266
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop)...........................................................................267
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor
Drivers in Stand-alone Mode (StealthChop)...................................................................269
The (latest release of) Marlin Setup for BIQU TMC2208 V3.0 (SA) Drivers
in Stand-alone Mode for StealthChop.........................................................................273
BIQU TMC2208 V3.0 (OTP) Stand-alone Mode for SpreadCycle........................................................277
Driver Chip Chart for BIQU TMC2208 V3.0 (OTP) in Stand-alone Mode (SpreadCycle)...............................277
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................278
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................280
The (latest release of) Marlin Setup for BIQU TMC2208 V3.0 (OTP) Drivers in Stand-alone Mode for SpreadCycle..284
BIQU TMC2208 V3.0 UART Mode.....................................................................................288
Driver Chip Chart for BIQU TMC2208 V3.0 in UART Mode..........................................................288
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in UART Mode....................291
The (latest release of) Marlin Setup for BIQU TMC2208 V3.0 Drivers in UART Mode...............................297
FYSETC TMC2208 V1.2 (SA) Stand-alone Mode for StealthChop.......................................................306
Driver Chip Chart for FYSETC TMC2208 V1.2 (SA) in Stand-alone Mode (StealthChop)..............................306
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop)...........................................................................307
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (StealthChop)...........................................................................309
The (latest release of) Marlin Setup for FYSETC TMC2208 V1.2 (SA) Drivers in Stand-alone Mode for StealthChop.313
FYSETC TMC2208 V1.2 (OTP) Stand-alone Mode for SpreadCycle......................................................317
Driver Chip Chart for FYSETC TMC2208 V1.2 (OTP) in Stand-alone Mode (SpreadCycle).............................317
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................318
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................320
The (latest release of) Marlin Setup for FYSETC TMC2208 V1.2 (OTP) Drivers
in Stand-alone Mode for SpreadCycle.........................................................................324
FYSETC TMC2208 V1.2 UART Mode...................................................................................328
Driver Chip Chart for FYSETC TMC2208 V1.2 in UART Mode........................................................328
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in UART Mode....................331
The (latest release of) Marlin Setup for FYSETC TMC2208 V1.2 Drivers in UART Mode.............................337
BIQU TMC2225 V1.0 (SA) Stand-alone Mode for StealthChop.........................................................346
Driver Chip Chart for BIQU TMC2225 V1.0 (SA) in Stand-alone Mode (StealthChop)................................346
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop)...........................................................................347
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (StealthChop)...........................................................................349
The (latest release of) Marlin Setup for BIQU TMC2225 V1.0 (SA) Drivers in Stand-alone Mode for StealthChop...353
BIQU TMC2225 V1.0 (OTP) Stand-alone Mode for SpreadCycle........................................................357
Driver Chip Chart for BIQU TMC2225 V1.0 (OTP) in Stand-alone Mode (SpreadCycle)...............................357
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................358
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................360
The (latest release of) Marlin Setup for BIQU TMC2225 V1.0 (OTP) Drivers in Stand-alone Mode for SpreadCycle..364
BIQU TMC2225 V1.0 UART Mode.....................................................................................368
Driver Chip Chart for BIQU TMC2225 V1.0 in UART Mode..........................................................368
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in UART Mode....................371
The (latest release of) Marlin Setup for BIQU TMC2225 V1.0 Drivers in UART Mode...............................377
BIQU TMC2209 V1.2 (SA) Stand-alone Mode for StealthChop.........................................................386
Driver Chip Chart for BIQU TMC2209 V1.2 (SA) in Stand-alone Mode (StealthChop)................................386
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop)...........................................................................387
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (StealthChop)...........................................................................389
The (latest release of) Marlin Setup for BIQU TMC2209 V1.2 (SA) Drivers in Stand-alone Mode for StealthChop...393
BIQU TMC2209 V1.2 (OTP) Stand-alone Mode for SpreadCycle........................................................397
Driver Chip Chart for BIQU TMC2209 V1.2 (OTP) in Stand-alone Mode (SpreadCycle)...............................397
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................398
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................400
The (latest release of) Marlin Setup for BIQU TMC2209 V1.2 (OTP) Drivers in Stand-alone Mode for SpreadCycle..404
BIQU TMC2209 V1.2 UART Mode.....................................................................................408
Driver Chip Chart for BIQU TMC2209 V1.2 in UART Mode..........................................................408
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in UART Mode....................411
Information on Sensor-less Homing for SKR PRO V1.1............................................................415
The (latest release of) Marlin Setup for BIQU TMC2209 V1.2 Drivers in UART Mode...............................420
BIQU TMC2226 V1.0 (SA) Stand-alone Mode for StealthChop.........................................................434
Driver Chip Chart for BIQU TMC2226 V1.0 (SA) in Stand-alone Mode (StealthChop)................................434
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop)...........................................................................435
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (StealthChop)...........................................................................437
The (latest release of) Marlin Setup for BIQU TMC2226 V1.0 (SA) Drivers in Stand-alone Mode for StealthChop...441
BIQU TMC2226 V1.0 (OTP) Stand-alone Mode for SpreadCycle........................................................445
Driver Chip Chart for BIQU TMC2226 V1.0 (OTP) in Stand-alone Mode (SpreadCycle)...............................445
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................446
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle)...........................................................................448
The (latest release of) Marlin Setup for BIQU TMC2226 V1.0 (OTP) Drivers in Stand-alone Mode for SpreadCycle..452
BIQU TMC2226 V1.0 UART Mode.....................................................................................456
Driver Chip Chart for BIQU TMC2226 V1.0 in UART Mode..........................................................456
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in UART Mode....................459
Information on Sensor-less Homing for SKR PRO V1.1............................................................463
The (latest release of) Marlin Setup for BIQU TMC2226 V1.0 Drivers in UART Mode...............................468
BIQU TMC5160 V1.2 SPI Mode......................................................................................482
Driver Chip Chart for BIQU TMC5160 V1.2 in SPI Mode...........................................................482
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in SPI Mode.....................485
Information on Sensor-less Homing for SKR PRO V1.1............................................................488
The (latest release of) Marlin Setup for BIQU TMC5160 V1.2 Drivers in SPI Mode................................493
BIQU TMC5161 V1.0 SPI Mode......................................................................................507
Driver Chip Chart for BIQU TMC5161 V1.0 in SPI Mode...........................................................507
SKR PRO V1.1 LEGEND of Driver Socket Representation for Stepper Motor Drivers in SPI Mode.....................510
Information on Sensor-less Homing for SKR PRO V1.1............................................................513
The (latest release of) Marlin Setup for BIQU TMC5161 V1.0 Drivers in SPI Mode................................518
APPENDIX A......................................................................................................532
How to adjust the Vref on a Stepper Motor Driver board using the Potentiometer................................532
How to Tune Stepper Motor Drivers?..........................................................................532
APPENDIX B......................................................................................................534
For the TMC drivers what’s the difference between stand-alone mode and (“UART” or “SPI “) modes?..............534
How to Calculate Vref for Non-TMC Stepper Motor Divers........................................................534
How to Calculate Vref for TMC Stepper Motor Drivers...........................................................535
Driving Current Calculation Formulas for TMC Stepper Motor Drivers..........................................536
#1 TMC2100 with Rs = 0.110Ω (110mΩ).......................................................................536
#2 TMC2130 with Rs = 0.110Ω (110mΩ) for Stand-alone Mode and SPI Mode.....................................536
#3 TMC2208 with Rs = 0.110Ω (110mΩ) for Stand-alone Mode..................................................537
#4 TMC2208 with Rs = 0.110Ω (110mΩ) for UART Mode.........................................................537
#5 TMC2209 with Rs = 0.110Ω (110mΩ) for Stand-alone Mode..................................................538
#6 TMC2209 with Rs = 0.110Ω (110mΩ) for UART Mode.........................................................538
#7 TMC2225 with Rs = 0.150Ω (150mΩ) for Stand-alone Mode..................................................539
#8 TMC2225 with Rs = 0.150Ω (150mΩ) for UART Mode.........................................................539
#9 TMC2226 with Rs = 0.150Ω (150mΩ) for Stand-alone Mode..................................................540
#10 TMC2226 with Rs = 0.150Ω (150mΩ) for UART Mode........................................................540
#11 TMC5160 with Rs = 0.075Ω (75mΩ) for SPI Mode..........................................................541
#12 TMC5161 with Rs = 0.062Ω (62mΩ) for SPI Mode..........................................................541
APPENDIX C......................................................................................................542
The (Latest Release of) Marlin Setup That Is Common to ALL Stepper Motor Drivers..............................542
Link to BIGTREETECH SKR-PRO-V1.1 User Manual.pdf............................................................542
Link to BIGTREETECH SKR-PRO-V1.1 Guide.pdf..................................................................542
Link to Pronterface Software................................................................................543
Link to How to Calibrate your 3D Printer....................................................................543
SKR PRO V1.1 Color PIN Diagram..............................................................................560
SKR PRO V1.1 Color Wiring Diagram...........................................................................561
SKR PRO V1.1 Color PIN 1 Diagram............................................................................563
SKR PRO V1.1 Color Schematic Diagram........................................................................564
SKR PRO V1.1 Uncolored Schematic Diagram....................................................................565
APPENDIX D......................................................................................................566
Legends for SKR PRO V1.1 Stepper Driver Jumper Configurations.................................................566
SKR PRO V1.1 LEGEND COMMON to ALL Driver Socket Representation................................................567
SKR PRO V1.1 LEGENDS for Driver Socket Representations and LEGENDS for Driver Chip Charts.....................571
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Have RST&SLP Set....................................................................................571
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers Which Have RST&SLP PINS Set.......574
Special Consideration of “D” Jumper (RST&SLP) for SKR PRO V1.1 Board......................................575
SKR PRO V1.1 LEGEND of Driver Socket Representation for Binary State Stepper Motor Drivers
Which Do Not Have RST&SLP Set.............................................................................576
SKR PRO V1.1 LEGEND of Driver Chip Chart for Binary State Stepper Drivers
Which Do Not Have RST&SLP PINS Set........................................................................579
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (StealthChop).........................................................................580
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (StealthChop).........................................................................582
SKR PRO V1.1 LEGEND of Driver Socket Representation for TMC Binary State Stepper Motor Drivers
in Stand-alone Mode (SpreadCycle).........................................................................583
SKR PRO V1.1 LEGEND of Driver Chip Chart for TMC Binary State Stepper Drivers
in Stand-alone Mode (SpreadCycle).........................................................................585
SKR PRO V1.1 LEGEND of Driver Socket Representation for Tri State Stepper Motor Drivers.....................586
SKR PRO V1.1 LEGEND of Driver Chip Chart for Tri State Stepper Drivers......................................588
SKR PRO V1.1 LEGEND of Driver Socket Representation for SPI Capable Stepper Motor Drivers...................589
SKR PRO V1.1 LEGEND of Driver Socket Representation for UART Capable Stepper Motor Drivers..................596
SKR PRO V1.1 LEGEND of Driver Socket Representation for Sensor-less Homing Capable Stepper Motor Drivers....605
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations.................................................611
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for Binary State Drivers without RST&SLP Set..611
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for Binary State Drivers with RST&SLP Set.....615
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for Tri State Drivers.........................619
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for TMC2209 with Sensor-less Homing...........626
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for TMC2209 without Sensor-less Homing........627
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for TMC2130 with Sensor-less Homing...........628
SKR PRO V1.1 Examples of Stepper Driver Jumper Configurations for TMC2130 without Sensor-less Homing........629
APPENDIX E......................................................................................................630
Location Of “firmware.bin” File from the Marlin Compilation for SKR PRO V1.1 Board............................630
APPENDIX F......................................................................................................633
Links to Reference Material...................................................................................633
Marlin Firmware Documentation...............................................................................633
Information on Stepper Motor Drivers and Micro-stepping.....................................................633
POLOLU A4988 and BIQU A4988.................................................................................634
DRV8825.....................................................................................................634
BIQU LV8729, FYSETC LV8729, LERDGE LV8729, and MKS LV879....................................................635
BIQU LV8729.................................................................................................635
FYSETC LV8729...............................................................................................636
LERDGE LV8729...............................................................................................636
MKS LV8729..................................................................................................637
FYSETC S6128 V1.1...........................................................................................637
FYSETC ST820................................................................................................638
BIQU ST820..................................................................................................638
POLOLU ST820 (STSPIN820)....................................................................................639
POLOLU MP6500...............................................................................................639
POLOLU TB67S249FTG..........................................................................................640
BIQU S109 and FYSETC S109...................................................................................640
BIQU S109...................................................................................................641
FYSETC S109.................................................................................................641
Marlin Firmware Documentation Specific to TMC Drivers.......................................................642
Information Common to All TMC Drivers.......................................................................642
BIQU TMC2100 and MKS TMC2100................................................................................643
BIQU TMC2130................................................................................................644
Information Common to BIQU TMC2208 V3.0 and FYSETC TMC2208 V1.2.............................................644
Information Common to BIQU TMC2208 V3.0 and FYSETC TMC2208 V1.2 (Continued).................................645
BIQU TMC2208 V3.0...........................................................................................645
FYSETC TMC2208 V1.2.........................................................................................645
Information Common to TMC2208 and BIQU TMC2225..............................................................646
BIQU TMC2225 V1.0...........................................................................................646
BIQU TMC2209 V1.2...........................................................................................647
BIQU TMC5160 V1.2...........................................................................................647
BIQU TMC5161 V1.0...........................................................................................648
Links on SKR V1.4 TURBO Board...............................................................................648
Links on SKR PRO V1.1 Board.................................................................................649
Links on SKR PRO V1.2 Board.................................................................................650
Links on SKR V1.3 Board.....................................................................................651
Links on SKR V1.4 Board.....................................................................................652
Links on GTR V1.0 Board.....................................................................................653
Links on M5 V1.0 Add-on-board for GTR V1.0 Board............................................................654
Miscellaneous Information...................................................................................655
Miscellaneous Information (continued).......................................................................656
Facebook Groups.............................................................................................662
APPENDIX G......................................................................................................663
BIGTREETECH Reference Material for SKR PRO V1.1 Board.........................................................663
SKR PRO V1.1 Original PIN Diagram...........................................................................663
SKR PRO V1.1 Original Wiring Diagram 1......................................................................664
SKR PRO V1.1 Original Wiring Diagram 2......................................................................665
SKR PRO V1.1 Original PIN 1 Diagram.........................................................................666
SKR PRO V1.1 Original Schematic Diagram.....................................................................667
APPENDIX H......................................................................................................668
BIGTREETECH’s Smart Filament Sensor (SFS) Guide for SKR PRO V1.1 Board........................................668
Information About BIGTREETECH’s SFS...........................................................................670
SFS Wired to E0 Limit Switch or Endstop.......................................................................671
Marlin 2.0.x Setup for SFS Connected to E0 Connector........................................................672
Marlin 2.0.x Setup for SFS....................................................................................674
APPENDIX I......................................................................................................681
“Connecting up Raspberry Pi via TFT Connector” Guide for SKR PRO V1.1 Board...................................681
Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable Via TFT Connector..............................682
TFT Connector Wiring Diagram for Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable.............685
Marlin 2.0.x Setup for Connecting up Raspberry Pi.............................................................688
APPENDIX J......................................................................................................691
“Connecting up Raspberry Pi via UART3 Header” Guide for SKR PRO V1.1 Board....................................691
Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable Via UART3 Header...............................692
UART3 Header Wiring Diagram for Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable..............695
Marlin 2.0.x Setup for Connecting up Raspberry Pi.............................................................698
APPENDIX K......................................................................................................701
“Connecting up Raspberry Pi via WIFI Header” Guide for SKR PRO V1.1 Board.....................................701
Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable Via WIFI Header................................702
WIFI Header Wiring Diagram for Connecting SKR PRO V1.1 to Raspberry Pi to Eliminate USB Cable...............705
Marlin 2.0.x Setup for Connecting up Raspberry Pi.............................................................708
APPENDIX L......................................................................................................711
BLTouch Guide for SKR PRO V1.1 Board..........................................................................711
Connecting SKR PRO V1.1 with BLTouch..........................................................................712
Wiring Diagram for Connecting SKR PRO V1.1 with BLTouch.....................................................715
Marlin 2.0.x Firmware Setup for Connecting a BLTouch to SKR PRO V1.1 Board....................................716
Explanation when to use Marlin variable Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN..................................721
Understanding Marlin Firmware’s NOZZLE_TO_PROBE_OFFSET Setting..............................................725
APPENDIX M......................................................................................................740
PT100 Sensor Connection Guide to the SKR PRO V1.1 Board via Analog ADC I/O Input..............................740
Hyperlink Map for this PT100 Sensor Connection Guide via Analog ADC I/O Input.................................741
Connecting SKR PRO V1.1 with PT100 Sensor...................................................................742
E3D PT100 Amplifier Board Specifications......................................................................742
E3D’s PT100 Amplifier Board -- Schematic Diagram............................................................743
Hyperlink to Texas Instruments’ INA826 Amplifier Data Sheet................................................743
Analog Procedure..............................................................................................746
Connecting SKR PRO V1.1 Board with PT100 Amplifier Board and PT100 Sensor...................................746
Locations of 3.3VDC Referenced to Analog Ground for the SKR PRO V1.1 Board’s Thermistor Ports.............757
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T1 (E0) Thermistor Port...........................759
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T2 (E1) Thermistor Port...........................761
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T3 (E2) Thermistor Port...........................763
Instructions for Supplying Power to the PT100 Amplifier Board...............................................766
Method #1 (5 VDC Digital PWR) for Powering the PT100 Amplifier Board for Techniques #1, and Technique #2..767
Method #1 (3.3 VDC Digital PWR) for Powering the PT100 Amplifier Board
for Techniques #3, and Technique #4.....................................................................768
Method #1 (5 VDC Digital PWR) for Powering the PT100 Amplifier Board
for Techniques #9, Technique #10, Technique #11 and Technique #8.......................................769
Method #1 (3.3 VDC Digital PWR) for Powering the PT100 Amplifier Board
for Techniques #5, Technique #6, and Technique #7......................................................770
Method #2 (3.3 VDC ref GNDA, Analog PWR) for Powering PT100 Amplifier Board
for Technique #5, Technique #6, and Technique #7........................................................771
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR).............................................772
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR).............................................773
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR)...........................................774
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR)...........................................775
Wiring Diagram for Technique #5 & Method #1 (3.3 VDC Digital PWR)...........................................776
Wiring Diagram for Technique #5 & Method #2 (3.3 VDC ref GNDA, Analog PWR)..................................777
Wiring Diagram for Technique #6 & Method #1 (3.3 VDC Digital PWR)...........................................778
Wiring Diagram for Technique #6 & Method #2 (3.3 VDC ref GNDA, Analog PWR)..................................779
Wiring Diagram for Technique #7 & Method #1 (3.3 VDC Digital PWR)...........................................780
Wiring Diagram for Technique #7 & Method #2 (3.3 VDC ref GNDA, Analog PWR)..................................781
Wiring Diagram for Technique #8 & Method #1 (5 VDC Digital PWR).............................................782
Wiring Diagram for Technique #9 & Method #1 (5 VDC Digital PWR).............................................783
Wiring Diagram for Technique #10 & Method #1 (5 VDC Digital PWR)............................................784
Wiring Diagram for Technique #11 & Method #1 (5 VDC Digital PWR)............................................785
Marlin 2.0.x Firmware Setup for Connecting a PT100 Sensor to the SKR PRO V1.1 Board.........................786
Marlin 2.0.x Firmware Setup for Technique #1..............................................................787
Marlin 2.0.x Firmware Setup for Technique #2..............................................................794
Marlin 2.0.x Firmware Setup for Technique #3..............................................................801
Marlin 2.0.x Firmware Setup for Technique #4..............................................................808
Marlin 2.0.x Firmware Setup for Technique #5..............................................................815
Marlin 2.0.x Firmware Setup for Technique #6..............................................................822
Marlin 2.0.x Firmware Setup for Technique #7..............................................................829
Marlin 2.0.x Firmware Setup for Technique #8..............................................................836
Marlin 2.0.x Firmware Setup for Technique #9..............................................................848
Marlin 2.0.x Firmware Setup for Technique #10.............................................................855
Marlin 2.0.x Firmware Setup for Technique #11.............................................................862
APPENDIX N......................................................................................................869
PT100 Sensor Connection Guide to the SKR PRO V1.1 Board via Software SPI Protocol.............................869
Hyperlink Map for this PT100 Sensor Connection Guide via Software SPI Protocol................................870
Digital Procedure.............................................................................................871
Connecting SKR PRO V1.1 with Adafruit MAX31865 Board and PT100 Sensor......................................871
Adafruit MAX31865 Board Specifications......................................................................872
Adafruit MAX31865 Board -- Schematic Diagram..............................................................873
Hyperlink to MAXIM Integrated’s MAX31865 Data Sheet.......................................................873
Connecting SKR PRO V1.1 with MAX31865 Board via Software SPI................................................875
Method #1 (5 VDC Digital PWR) for Powering the MAX31865 Board for Techniques #1, and Technique #2........884
Method #1 (3.3 VDC Digital PWR) for Powering the MAX31865 Board for Techniques #3, and Technique #4......885
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR)...........................................886
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR)...........................................887
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR).........................................888
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR).........................................889
Marlin 2.0.x Firmware Setup for Technique #1............................................................891
Marlin 2.0.x Firmware Setup for Technique #2............................................................904
Marlin 2.0.x Firmware Setup for Technique #3............................................................917
Marlin 2.0.x Firmware Setup for Technique #4............................................................930
APPENDIX O......................................................................................................943
PT100 Sensor Connection Guide to the SKR PRO V1.1 Board via Hardware SPI Protocol.............................943
Hyperlink Map for this PT100 Sensor Connection Guide via Hardware SPI Protocol................................944
Digital Procedure.............................................................................................945
Connecting SKR PRO V1.1 with Adafruit MAX31865 Board and PT100 Sensor......................................945
Adafruit MAX31865 Board Specifications......................................................................946
Adafruit MAX31865 Board -- Schematic Diagram..............................................................947
Hyperlink to MAXIM Integrated’s MAX31865 Data Sheet.......................................................947
Connecting SKR PRO V1.1 with MAX31865 Board via Hardware SPI...............................................949
Method #1 (5 VDC Digital PWR) for Powering the MAX31865 Board for Technique #1 and Technique #2...........959
Method #1 (3.3 VDC Digital PWR) for Powering the MAX31865 Board for Technique #3 and Technique #4.........960
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR)...........................................961
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR)...........................................962
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR).........................................963
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR).........................................964
Marlin 2.0.x Firmware Setup for Technique #1............................................................966
Marlin 2.0.x Firmware Setup for Technique #2............................................................979
Marlin 2.0.x Firmware Setup for Technique #3............................................................992
Marlin 2.0.x Firmware Setup for Technique #4...........................................................1005
APPENDIX P.....................................................................................................1018
K-Type Thermocouple Sensor Connection Guide to the SKR PRO V1.1 Board via Analog ADC I/O Input...............1018
Hyperlink Map for this K-Type Thermocouple Sensor Connection Guide via Analog ADC I/O Input..................1019
Connecting SKR PRO V1.1 with K-Type Thermocouple Sensor.....................................................1020
Adafruit AD8495 Amplifier Board Specifications...............................................................1020
Adafruit’s AD8495 Amplifier Board -- Schematic Diagram.....................................................1021
Hyperlink to Analog Devices' AD8495 Amplifier Data Sheet...................................................1021
How To Prevent a Noisy K-Type Thermocouple.................................................................1022
Analog Procedure.............................................................................................1026
Connecting SKR PRO V1.1 with K-Type Thermocouple Sensor and Adafruit’s AD8495 Amplifier Board..............1026
Locations of 3.3VDC Referenced to Analog Ground for the SKR PRO V1.1 Board’s Thermistor Ports............1037
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T1 (E0) Thermistor Port..........................1039
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T2 (E1) Thermistor Port..........................1041
Hardware Hack Instructions for the SKR PRO V1.1 Board’s T3 (E2) Thermistor Port..........................1043
Instructions for Supplying Power to the AD8495 Amplifier Board.............................................1046
Method #1 (5 VDC Digital PWR) for Powering the AD8495 Amplifier Board
for Techniques #1, and Technique #2...................................................................1047
Method #1 (3.3 VDC Digital PWR) for Powering the AD8495 Amplifier Board
for Techniques #3 and Technique #4.....................................................................1048
Method #1 (5 VDC Digital PWR) for Powering the AD8495 Amplifier Board
for Techniques #9, Technique #10, and Technique #11...................................................1049
Method #1 (3.3 VDC Digital PWR) for Powering the AD8495 Amplifier Board
for Techniques #5, Technique #6, Technique #7 and Technique #8........................................1050
Method #2 (3.3 VDC ref GNDA, Analog PWR) for Powering AD8495 Amplifier Board
for Technique #5, Technique #6, and Technique #7.......................................................1051
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR)..........................................1052
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR)..........................................1053
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR)........................................1054
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR)........................................1055
Wiring Diagram for Technique #5 & Method #1 (3.3 VDC Digital PWR)........................................1056
Wiring Diagram for Technique #5 & Method #2 (3.3 VDC ref GNDA, Analog PWR)...............................1057
Wiring Diagram for Technique #6 & Method #1 (3.3 VDC Digital PWR)........................................1058
Wiring Diagram for Technique #6 & Method #2 (3.3 VDC ref GNDA, Analog PWR)...............................1059
Wiring Diagram for Technique #7 & Method #1 (Digital PWR)................................................1060
Wiring Diagram for Technique #7 & Method #2 (3.3 VDC ref GNDA, Analog PWR)...............................1061
Wiring Diagram for Technique #8 & Method #1 (3.3 VDC Digital PWR)........................................1062
Wiring Diagram for Technique #9 & Method #1 (5 VDC Digital PWR)..........................................1063
Wiring Diagram for Technique #10 & Method #1 (5 VDC Digital PWR).........................................1064
Wiring Diagram for Technique #11 & Method #1 (5 VDC Digital PWR).........................................1065
Marlin 2.0.x Firmware Setup for Connecting a K-Type Thermocouple Sensor to the SKR PRO V1.1 Board........1066
Marlin 2.0.x Firmware Setup for Technique #1...........................................................1067
Marlin 2.0.x Firmware Setup for Technique #2...........................................................1075
Marlin 2.0.x Firmware Setup for Technique #3...........................................................1083
Marlin 2.0.x Firmware Setup for Technique #4...........................................................1091
Marlin 2.0.x Firmware Setup for Technique #5...........................................................1099
Marlin 2.0.x Firmware Setup for Technique #6...........................................................1107
Marlin 2.0.x Firmware Setup for Technique #7...........................................................1115
Marlin 2.0.x Firmware Setup for Technique #8...........................................................1123
Marlin 2.0.x Firmware Setup for Technique #9...........................................................1138
Marlin 2.0.x Firmware Setup for Technique #10..........................................................1146
Marlin 2.0.x Firmware Setup for Technique #11..........................................................1154
APPENDIX Q.....................................................................................................1162
K-Type Thermocouple Sensor Connection Guide to the SKR PRO V1.1 Board via Software SPI Protocol..............1162
Hyperlink Map for this K-Type Thermocouple Sensor Connection Guide via Software SPI Protocol.................1163
Digital Procedure............................................................................................1164
Connecting SKR PRO V1.1 with MAX31855 Amplifier Board and K-Type Thermocouple Sensor.......................1164
MAX31855 Amplifier Board Specification.....................................................................1165
Adafruit’s MAX31855 Amplifier Board -- Schematic Diagram.................................................1166
Hyperlink to MAXIM’s MAX31855 Data Sheet.................................................................1166
How To Prevent a Noisy K-Type Thermocouple...............................................................1167
Connecting SKR PRO V1.1 with MAX31855 Amplifier Board via Software SPI.....................................1170
Method #1 (5 VDC Digital PWR) for Powering the MAX31855 Amplifier Board
for Technique #1 and Technique #2......................................................................1177
Method #1 (3.3 VDC Digital PWR) for Powering the MAX31855 Amplifier Board
for Technique #3 and Technique #4......................................................................1178
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR)..........................................1179
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR)..........................................1180
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR)........................................1181
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR)........................................1182
Marlin 2.0.x Firmware Setup for Technique #1...........................................................1184
Marlin 2.0.x Firmware Setup for Technique #2...........................................................1195
Marlin 2.0.x Firmware Setup for Technique #3...........................................................1206
Marlin 2.0.x Firmware Setup for Technique #4...........................................................1217
APPENDIX R.....................................................................................................1228
K-Type Thermocouple Sensor Connection Guide to the SKR PRO V1.1 Board via Hardware SPI Protocol..............1228
Hyperlink Map for this K-Type Thermocouple Sensor Connection Guide via Hardware SPI Protocol.................1229
Digital Procedure............................................................................................1230
Connecting SKR PRO V1.1 with MAX31855 Amplifier Board and K-Type Thermocouple Sensor.......................1230
MAX31855 Amplifier Board Specification.....................................................................1231
Adafruit’s MAX31855 Amplifier Board -- Schematic Diagram.................................................1232
Hyperlink to MAXIM’s MAX31855 Data Sheet.................................................................1232
How To Prevent a Noisy K-Type Thermocouple...............................................................1233
Connecting SKR PRO V1.1 with MAX31855 Amplifier Board via Hardware SPI.....................................1236
Method #1 (5 VDC Digital PWR) for Powering the MAX31855 Amplifier Board
for Technique #1 and Technique #2.....................................................................1244
Method #1 (3.3 VDC Digital PWR) for Powering the MAX31855 Amplifier Board
for Technique #3 and Technique #4.....................................................................1245
Wiring Diagram for Technique #1 & Method #1 (5 VDC Digital PWR)..........................................1246
Wiring Diagram for Technique #2 & Method #1 (5 VDC Digital PWR)..........................................1247
Wiring Diagram for Technique #3 & Method #1 (3.3 VDC Digital PWR)........................................1248
Wiring Diagram for Technique #4 & Method #1 (3.3 VDC Digital PWR)........................................1249
Marlin 2.0.x Firmware Setup for Technique #1...........................................................1251
Marlin 2.0.x Firmware Setup for Technique #2...........................................................1262
Marlin 2.0.x Firmware Setup for Technique #3...........................................................1273
Marlin 2.0.x Firmware Setup for Technique #4...........................................................1284
APPENDIX S.....................................................................................................1295
EEPROM Guide for SKR PRO V1.1 Board..........................................................................1295
Link to TWhite101 Instructable Guide called “BigTreeTech SKR Pro V1.1 or V1.2; Adding a EEPROM”............1296
Index..........................................................................................................1297