BubbleSort vs. HeapSort on BlinkyTape

How to visually show the speed difference between BubbleSort and HeapSort? I used the BlinkyTape and implemented it in Processing (aka Java) with the help from BlinkyTape library. The 60 LEDs where stored in an ArrayList of the class, which contains the position on...

CoderDojo 2013/12

At todays coderdojo in Munich, we introduced “scratch” to teach kids programming. Here is an example of what they accomplished with in an hour of experimenting with scratch: After the programming session we also had some fun with arduinos and digital rgb...