Introductions:This is TMC2203 V3.0 UART mode stepper motor driver.
UART options are UART mode (had soldered)
TMC2208 V3.0 are equipped with the wire
It suit SKR MKS GEN L/Ramps 1.4
The more details of TMC2208 V3.0 driver can be viewed at this link:Click Here
Package Included:1 x TMC2203 V3.0 UART mode stepper motor driver