Try EV3 lessons. They have some really good stuff. 

Sent from my iPhone

> On Oct 20, 2015, at 12:35 PM, Thomas (Tweeks) Weeks <[log in to unmask]> wrote:
> 
> I've seen a few videos and sites talking about PID based line following and balance bot applications.. but our kids just want to see a good example of straight line PID code (without trying to teach them calculus).
> 
> 
> I can do this in C, but I'm not savvy enough with the mindstorms GUI tools to show them how to do it in Lego.
> 
> Tweeks
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