I made a control panel compatible with NL2, Ridesims and Themagical.nl. I have a website displaying how I made it briefly and how to buy it if anybody wants it.
Here's a link to a youtube video I made a while ago of it working:
Here is the website with pictures: http://diycontrolpanels.weebly.com/control-panel.html
I thought you might find it cool and at least a little bit interested.
I'll gladly answer any questions.