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Why does '0' turn the RPi ZeroW LED on?

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Rob on 16 Feb 2020
Edited: Rob on 16 Feb 2020
Basic question from a first time Simulink user...
Boolean zero seems to turn the onboard LED of my Raspberry Pi Zero W on, rather than off, as described in the documentation.
I also connected two external LEDs to the RPi and running the model below turns all 3 LEDs on...
Why doesn't boolean 1 turn led0 on? As a new user I'd just like to understand if I'm doing anything wrong!


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