Hello everyone! I am working on a project using a PIC. The project is a circuit for a car, and I need to retain a variable that the user can set. I have the unit come stock with a certain value for a variable, but then you should be able to adjust the value of the variable. I know how to do all of this, but what I don't know is how to retain the variable after the power is removed from the pic. I assume that my variable will just go back to the normal. Does the pic have any type of permanent memory that you can write the variable to? Also, I still need to find out how to program a 16f819 with PicBasic Pro. What is a good compiler? I have tried to use MicroCode Studio Plus, but it doesn't work with this certain chip. Any advice on either of these questions would be greatly appreciated.