Raspberry PI XXX

#NODERED
#https://nodered.org/docs/getting-started/raspberrypi

bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)

#GYP == 0.1
pip install git+https://chromium.googlesource.com/external/gyp

#node-red-contrib-opi-gpio
#require install from console
#cd ~/.node-red
npm install node-red-contrib-opi-gpio

#
sudo usermod -a -G gpio $USER
sudo touch /etc/udev/rules.d/99-com.rules
#paste there
KERNEL=="gpio*", RUN="/bin/sh -c 'chgrp -R gpio /sys/%p /sys/class/gpio && chmod -R g+w /sys/%p /sys/class/gpio'"
#reboot