Question 1: Why are microcontrollers easily interfaced with sensors such as IR sensors, line-tracers, etc?
Question 2: Why are microcontrollers easily interfaced with ADCs and DACs?
Question 3: What special requirements are required when interfacing microcontrollers with relays? Describe a design for this purpose.
Question 4: What special requirements are required when interfacing microcontrollers with solenoids? Describe a design for this purpose.
Question 5: What special requirements are required when interfacing PLC microcontrollers with stepper motors? Describe a design for this purpose.