The interview process may range around 5 to 7 rounds. Aptitude, Technical, F2F interview. They expect you to have deep understanding on the projects that you have done. The first round usually consists of aptitude and puzzles.
I appeared for hardware role. For both hardware and software, there will be 3 rounds, the first will be an technical round covering all fundamentals from ECE. 2nd round will be HR and the 3rd with the director. You will be tested on your core knowledge on all the rounds.
Interview questions [1]
Question 1
Circuit Diagram of projects mentioned in resume.
Draw all the symbols of basic electronic components
First round is written which contains aptitude, logical thinking,Basics of electronics and circuitdand some programming in C questions
Second round is the technical interview.
Final round is the HR or manager interview.
Interview questions [1]
Question 1
Programming in c, Electronics circuit,aptitude and logical reasoning