I applied through university. I interviewed at Efftronics Systems (Vijayawāda) in Jan 2022
Interview
2 technical and one hr interview
1st technical is online and 2nd one is the offline interview.
they asked about basic electronics and c programming, and microcontroller programming. They also do medical and fitness tests including height and weight. It is easy to crack if you are good at electronics and c programming.
Interview questions [1]
Question 1
write a program to generate a 1hz signal using any microcontroller?
I applied through university. I interviewed at Efftronics Systems (Mangalagiri) in Mar 2026
Interview
there are 3 exams, 1) maths,2)digital electronics,3)embedded c programming questions. Prime numbers and square wave generator in microcontrollers. AND THEN INTERVIEW BASED ON THE ANSWERS WRITTEN BY US in the exam and few questions like what is flip flop , difference between sequential and combinational circuits
Interview questions [1]
Question 1
embedded c coding question, program counter, flip flop, relay circuit, instruction length,
3 rounds
1. Started of with the psychometric test(basix questions).
2 . 2 questions on digital electronics system design (1 hour)
3. 2 questions on controller programming (c or assembly based on your choice] {1hour]
Interview questions [1]
Question 1
1. prime number
2. generate a square wave of 50 Hz
I applied through university. The process took 2 weeks. I interviewed at Efftronics Systems (Vijayawāda) in May 2025
Interview
Written test Technical 1 interview Technical 2 interview Hr interview Whole day in the office food is provided questions are about the role based upon the answers u have written the interview will be