Just been trying to get a Contact to work with RPI 3 on pin 18 and found that I needed in /etc/init.d/domoticz.sh

#Run export GPIO Raspberry
# pin 18, input, edge trigger, pull up
/usr/local/bin/gpio export 18 in
/usr/local/bin/gpio edge 18 both
/usr/local/bin/gpio -g mode 18 up

It looks like the ...