Home Question Answer What will happen if the user does not define the array size in Arduino? What will happen if the user does not define the array size in Arduino? If the user does not define the array size, the compiler will count the array elements and allocate the required size. Related Questions What is Arduino IDE? What is a Compiler? What is an Algorithm? What is a flowchart? What is Firmware? What are the two types of firmware updates? What is C/C++ programming language? How do we program IoT bridge? Load More