/challenges-projects/project14/dataconversion/b/blog/posts/aqualoop-4-20ma-current-loop-based-water-level-indicatorThis is project AquaLoop, design of 4-20mA current loop based water level indicator for all sized water tanks. The main target is to make the system robust, low noise, less lossy over a distance for signal transmission. I am using a BC547 based wate.en-USTelligent Community 12