The trailer and motorhome uses bottled gas and due that normally are used away from the most closest store
is very important know in every moment when the gas is low.
This circuit is a simplified version of ROD1, focused for one single function: Measure the remaining gas.
The circuit measure the magnetic field present after the movement of a magnet inside of presure gauge mobile part.
The measures, connections, the LED, and distance between LED are part of customer requirement.
In the video can see the callibration proces and how circuit work.
