How to prepare and what all skills does one need to become an embedded systems engineer?

It is very difficult to generalize things but in general you need the following skills. Strong electronic fundamentals Hardware circuit design and analysis Analyzing schematics C, C+ programming Microcontroller/processor programming Knowledge of interfaces and device drivers development UI developme

The link here of Amrita College, Bangalore- https://www.shiksha.com/engineering/course/m-tech-in-embedded-systems-amrita-school-of-engineering-bengaluru-sarjapur-road-bangalore-249461 will definitely help you to find answer to your query.