Make: Robotic Arms

24 Make: Robotic Arms

to store a number. In fact, the int we write before the name of our variable

refers to the data type of the variable we’re creating.

In this case, it’s an integer variable, and an integer is nothing more than

a whole number. In this line of code, all we’re doing is creating a variable

called pos and giving it an initial value of 90. Now, it’s important to

understand that we could have named our variable anything. We’re calling

this variable pos to stand for position. This is the main variable we’re going

to use to control the position of our servo. We give it an initial value of 90 so it

starts out right in the middle of ...