This page covers any general information for the SKR3EZ H743 board.
The SKR3EZ can be purchased from AliExpress
The board name in board.txt is biquskr_3_ez.
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.
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.
Also make sure you define the resistor value as R2200 in your M308 command.
Follow the WiFi instructions.