The R88M-K90010F-S2 is a stepper motor driver from Omron. It is designed for use with two-phase bipolar stepper motors, providing up to 10 A at 42 V output current. The driver has a high-resolution digital current setting, automatic motor identification, advanced micro-stepping capabilities, and real-time tuning capabilities. It features both closed-loop and open-loop operation, as well as a variety of modes for different operations. It is suitable for a range of applications such as printing, machine tooling, semiconductor manufacturing, laser control, and more.