add note about spi group #18

Merged
ben merged 1 commits from ben-patch-1 into main 2023-09-15 11:32:01 +00:00
1 changed files with 3 additions and 1 deletions

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@ -49,9 +49,11 @@
# apt-get install libopenjp2-7
#
#
# user needs to be in the gpio group
# user needs to be in the gpio and spi groups
# $ ls -l /dev/gpiomem
# crw-rw---- 1 root gpio 246, 0 Sep 15 12:49 /dev/gpiomem
# ls -l /dev/spidev0.0
# crw-rw---- 1 root spi 153, 0 Sep 15 13:09 /dev/spidev0.0
import argparse
from datetime import datetime, timedelta, timezone