This is an example of a nice third year project in Computer Science.
Radio linked flashing leds were created for Alistair who made a Java infrastructure to allow people to connect events to changes in the lights. The idea was that you could easily link a log file error sniffer script to an LED which flashed when a threshold was hit for example.
This screendump shows a new action being made to create a boolean value which can be passed to an output device.
His plug-in architecture allowed new filters to be added easily.