def METHOD_NAME(i: int, duty_cycle: int, v_ref: float) -> None:
    """Print out test details."""
    print(f"\n\033[95mRound {i}:\033[0m")
    print("--------")
    print(f"V_ref: {v_ref * 100} mA")
    print(f"PWM: {brushed_motor_interrupts_per_sec}Hz {duty_cycle}%\n")