Flow Charts to help work out your sketch...

We have unlocked LucidChart on CSC Google Apps Domain. This means that you can now create a LucidChart diagram as an option through Google Drive. This is possible through your school Google Apps account.
Flow charts are an excellent way to iron out the different stages that you would like in your program or "Sketch" in Arduino. Flow charting your sketch also helps you to communicate the purpose of your sketch to other people.
Here is an example of a very simple flow chart, created using LucidChart...