Features 1、TMC2208 Chip: This is an ultra quiet two phase stepper motor driver chip, with continuous drive current of 1.4A, peak current of 2A, voltage range of 4.75V‑36V, 256 subdivisions 2、Perfectly Compatible: This module compatibles with existing 3D printer electronics perfectly, ideal for the 3D printing market 3、Replacement: This module can replace the original TMC2100 A4988 DRV8825 LV8729, with heat sink for lower heat generation 4、Function: With this stepper motor driver module, you can test or flash for SilentStepStick with a USB to serial converter 5、Easy Usage: This module comes with stackable header that can be used directly on the 3D printed board, has been pre configured to run standalone on a USB to serial adapter with the VIO VM jumper closed Specification Item Type: Stepper Motor Driver Module Material: Aluminum Alloy and PCB Peak Current: 2A Continuous Drive Current: 1.4A Interface: Step or Dir Configuration: CFG pin or UART Native Microsteps: Up to 1/256 MicroPlyer Microsteps: 1/256 Package List 1 x Stepper Motor Driver Module 1 x Heat Sink 1 x Screwdriver Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.