Many sewing machines on the market nowadays have some parts computerized to make sewing easier for sewists. Manufacturers tend to automate thread tension, speed control, and threading. The tasks that most people find difficult and time-consuming. With this automation, sewing is more fun and you can focus on creating patterns and projects.

Upgrading your machine and you will find more and more computerized features. At a higher level, a sewing machine can automate seam or rolled hem making.See here: