Interview Experience of Instron | ITW for Firmware Engineer Last Updated : 05 Mar, 2020 Improve Improve Like Article Like Save Share Report Interview Questions: Previous Project Experience. What is the difference between I2C and SPI? What is the role of a PID controller in a Closed-loop control system? ADC register level programming. How to handle ADC spikes. How do Interrupts work? What is the difference between Laplace and Fourier Transformation? Why is Fourier Transformation considered more than Laplace for signal processing? Write the FFT of Sinc Function. Some basic questions on C I hope it helps job seekers! Like Article Suggest improvement Previous Capgemini Interview Experience Next InFyTQ Screening Round 2020 Experience Share your thoughts in the comments Add Your Comment Please Login to comment...