Genuine Watterott TMC2100 Stepper Motor Driver & Heatsink.

Stepper Motor Driver based on a Trinamic TMC2100.
 
For control units with 5V logic voltage.
 
Further infos on the GitHub project page: github.com/watterott/SilentStepStick
 
Features
Hardware compatible with StepStick and Pololu A4988
Drive capability up to 1.2A (RMS) continuous coil current
Step/Dir interface with microstep interpolation (up to 256 microsteps)
Configuration via CFG pins
Motor voltage: 5.5...45V
Logic voltage: 5V
stealthChop - for quiet operation and smooth motion
spreadCycle - highly dynamic motor control chopper