this kind of optic fiber is probably only plastic so for a full DIY , you can use also fishing wire with a big power led or an old chistmass tree optic fiber lighted.....
I didn't think the voltage drop would make enough of a difference to notice, but i guess it does. I might have to research and look for a more efficient Mosfet.
I have added a device editor to the server. It uses the sensor types as a group and the sensor variable as the control.
Group (sensor):
Control (sensor variable):
This will be my last post here because my controller has got it's own controller page