This document is about the STEVAL-IHM041V1 universal motor driver with speed control based on STM8 and Triac (US version). The product features input voltage 120 V/60 Hz, motor current 7 A RMS, phase control for universal motor drive, open loop or closed loop speed regulation, voltage and current sensing, for sensorless operation (optional), debug outputs, AC tach, Hall sensor or opto-sensor for speed feedback, and RoHS compliance.