I applied through college or university. I interviewed at e-con Systems (Chennai) in Mar 2026
Interview
They ask about microprocessor, microcontroller and project explanation. What is capacitor, what is inductor, Draw and explain about nand gate. What is number system, octal to binary conversion. Self introduction, some circuit diagrams are given and also said to solve.
Other Hardware Engineer Interview Reviews for e-con Systems
You apply through company website, LinkedIn, or referral.
HR shortlists based on resume, skills, and experience.
C programming concepts (pointers, structures, memory)
Microcontrollers (ARM, PIC, etc.)
Communication protocols (UART, SPI, I2C, CAN)
Interrupts
RTOS basics
Debugging methods
Interview questions [1]
Question 1
Dso triggering modes
Ammeter voltage in connected above circuit
First stage was the written test. It contains general aptitude and electrical and electronics questions with two sets. One is MCQ and other one is theoretical. And ,then depends upon the performance the interview begins.
Interview questions [1]
Question 1
They asked about the circuits, but it was too difficult.
