HX711 strain gauge


I am building a scale that has 2 x servo motors on a swivel so when a weight is between range 1,2,3 etc the platform will tilt and the object will fall in the appropriate direction.

I have used the example.py script with a python shell node to use the loadcells but there is no inject node.
If the power dips or ups runs flat how do I make this script run on boot?

I have also tried the node-red-contrib-hx711 node but as soon as I install wiring.pi nod red crashes and wont launch again.