Useful links

Here I will put random links. The main reason for that, is I'm on different computers, and I do not want to bookmark everything everywhere.

http://learnerstv.com/Free-Engineering-video-lecture-courses.htm

Decoupling and by pass caps

http://forum.allaboutcircuits.com/threads/pic16f1459-lcd-pc1602lrs-config.113483/

A few good posts about PIC timers
https://forum.allaboutcircuits.com/threads/unable-to-toggle-a-led-on-port-pin-using-interrupt-went-through-code-cant-find-the-problem.138754/page-3#post-1185554

https://forum.allaboutcircuits.com/threads/unable-to-toggle-a-led-on-port-pin-using-interrupt-went-through-code-cant-find-the-problem.138754/page-3#post-1185998