*Support STEP,DIR/UART mode, you can use these function via modify the firmware
*Compatible with existing 3D printer electronics.It can replace the original TMC2208, A4988,etc
*Support sensorless-homing function,you can use these function via modify the firmware
*Large heat sink,good heat dissipation
LERDGE TMC2209 Stepper Motor Driver UART
*Quiet operation with StealthChop
*Sensorless homing with StallGuard4
*Energy savings with CoolStep
*Configuration and extended diagnostics via UART
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