@NeverDie Yes, you are correct - it is based on ATMega1284P. So not relevant
My point is that I'd rather stick to the datasheet rather than overclock, but that's just me. And yes I realise that Moteino is overclocking, but the size, voltage and flash are really appealing to me.
@hek The capacitor addition seems to be helping. So far 9 hours and all the values are updating as they should YAY!
I'll continue to monitor but i'm hopeful that this is the solution.
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
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.....