TMC2209 Stepper Motor Driver Module Great for 3D Printers and More Key Features: Ultra Quiet Operation: Smooth and noise-free motor control. Efficient Heat Dissipation: Large heat sink keeps temperatures in check. Sensorless Homing: Simplifies setup with sensorless homing function. UART Mode Support: Simplifies control and communication. Adjustable Current: Default 1.25A, max 2.5A. Versatile Logic Voltage: Compatible with 3.3V and 5V systems. Wide Input Voltage: Operates from 5.5V to 28V. Microstep Settings: Up to 1/256 for precise motion control. Specifications: Default Current: 1.25A Max Current: 2.5A Logic Voltage: 3.3V / 5V Input Voltage Range: 5.5V - 28V Microstep Modes: Dir/Step, UART Driver Current Regulation: Measurement: Adjust by measuring Verf voltage with reference to GND and the potentiometer middle. Precaution: Do not connect motors while measuring voltage to prevent damage. Applications: Perfect for 3D printers, robotics, and CNC projects, the TMC2209 Stepper Motor Driver offers advanced features, smooth operation, and efficient heat management. It’s the ideal companion for precision motor control in your projects.