LED: pin 18 needs 'sudo'

Question

LED: pin 18 needs 'sudo'

szafranski opened this issue 4 years ago · 6 comments

why?

Answer 1 · 2020-04-01T07:36:30.000Z

Program needs sudo permissions cause it access physical memory. Walkarounds are:
opening server.py with sudo or changing permissions for server.py to access /dev/mem without sudo.

Answer 2 · 2020-04-01T07:43:15.000Z

szafranski commented 4 years ago

Answer 3 · 2020-04-02T03:29:12.000Z

Reported on rpi_ws2812b GH. Waiting for response

Answer 4 · 2020-04-09T22:03:01.000Z

Solutions:
'sudo python server.py' - inconvenient
or
'sudo chmod -R 777 /dev/mem' - dangerous

Answer 5 · 2020-04-10T22:16:48.000Z

Consulting with Michael now

Answer 6 · 2020-04-13T01:47:41.000Z

User would have to use server as a service or sudo or just pin 10 - it doesn't require sudo since it is SPI pin