Inverting values

Mark_M

Full Time elf
Generous elf
Joined
Dec 30, 2018
Messages
117
Location
Auckland, NZ
Hello,
In a long conversation with a friend of mine about a thread I posted in January I still haven't come up with a solution.
This is about using transistor boards I created last year to drive dumb strings.
https://auschristmaslighting.com/threads/making-my-own-boards-to-control-dumb-strings.11320/

David_AVD (from previous thread) and my friend suggest that I'm going to need some sort of way to inverse the signal.

My question is if I can do this in software, can I get xlights to inverse the value (0 full on, 255 full off)?
 
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