1) Some basic question like Tell me about yourself, etc.
2) About the projects that I have worked on.
3) Different protocols like:
what is a difference between RS-232 & RS-485? There ranges, application.
How many types of Registers are there in Modbus.
About I2C protocol.
How does the data-packet (or Frame) structure looks like in I2C?
Frame structure of I2C for Writing to a Device.
Frame structure of I2C for Reading from a Device.
4) What is Volatile Keyword in C.
5) Where will be the static variable in C be saved (in which section of memory)?