sudo
, as is default on OctoPi. This password is not stored, and is only used for the steps below.pi
user to the gpio
group.pi
users can access the GPIO pins.sudo adduser pi gpio
dtparam=spi=on
to /boot/config.txt
spidev.bufsize=32768
to the end of /boot/cmdline.txt
core_freq=250
to /boot/config.txt
core_freq_min=500
to /boot/config.txt