General information regarding the SKR3


This page covers any general information for the SKR3 board.

Driver Jumpers

The jumpers should be installed as below. “Normal” should be used for standalone drivers. “UART mode Interpolation” should be used when using smart drivers (i.e. TMC2208, TMC2209, TMC2225 and TMC2226).

SKR3 Normal
SKR3 Normal Driver Jumper Locations
SKR3 UART Driver Jumper Locations
SKR3 SPI Driver Jumper Locations

Driver Diag Pin

If you want to use sensorless homing, a jumper needs adding under each driver you want to use it for as shown below.

SKR3 Diag
SKR3 Sensorless Homing Jumper Locations

PT1000 Support

Both hotend temperature sensor inputs support PT1000. When using one, make sure the jumper identified below is installed. Make sure it is removed when using a standard thermistor.

SKR3 PT1000 Jumper
SKR3 PT1000 Jumper Locations

Also make sure you define the resistor value as R1000 in your M308 command.

Initial Installation

Follow the WiFi instructions.