Arduino Development for OSX and iOS (2015)
2. Sketch Programming
2.4 Basic Sketch Programming
To develop a program for Arduino using Sketch, you should have a basic programming for Sketch. Basically, Sketch language is C programming language. Some functions already have been defined for Sketch so we can call them on our program. Further information about Skecth programming language, please read on this site, https://www.arduino.cc/en/Reference/HomePage .