This circuit match with a customer provided circuit ( not showed in the photos).
In the movile homes is very important check the remaining gas level and how much you will need for the change, becouse you will far away of home.
This circuit measure the gas pressure and transform in a analog signal that work with a circuit provided by customer and show with LEDs the remaining pressure.
How work
The module have a analog output and go from 0v to 5v and is measured and represented by screen.
