Optimized Performance: The TMC2209 V4.0 stepper motor driver ensures quiet and precise operation, ideal for 3D printing applications. It supports a voltage range of 5.5-28V and current up to 2.8A, making it versatile for setups. Advanced Microstepping: This driver enhances microstepping capabilities, providing smoother and more accurate prints. The inclusion of a heatsink effectively dissipates heat, prolonging the life of the driver and maintaining optimal performance. Quiet Operation: Designed with stealthChop2 technology, the TMC2209 V4.0 offers ultra-quiet stepper motor performance, crucial for reducing noise in shared spaces or during late-night printing sessions. Hardware compatible with StepStick and A4988 Drive capability up to 1.7A (RMS) continuous coil current - 2.8A Step/Dir interface with microstep interpolation (up to 256 microsteps) Configuration via pins or UART interface Motor voltage: 5.5...28V Logic voltage: 3.3...5V RSense: 0.11 Ohm stealthChop2 - for quiet operation and smooth motion spreadCycle - highly dynamic motor control chopper (enableable via UART, OTP, Pin) coolStep - current control for energy savings stallGuard4 - sensorless motor load detection Colour:As shown Material:PCB Due to different product batches, the appearance , which does not affect the use Package Contents: 2 x Stepper Motor Driver kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.