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by ildomarcarvalho
Mon Feb 04, 2019 12:51 pm
Forum: Troubleshooting
Topic: RPi.GPIO: RuntimeError: No access to /dev/mem. Try running as root!
Replies: 5
Views: 731

Re: RPi.GPIO: RuntimeError: No access to /dev/mem. Try running as root!

Thanks, already tried that. Found the problem though: I'm using the Adafruit RGB matrix "bonnet", and it seems to hog all the pins if configured first - swapping the init blocks around (GPIO first) seems to have solved it. Confusing error message, but I suppose it makes sense. Hello Lomax, I didn't...

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