This is a half-bridge load sensor, which is widely used in weight scales. When the half-bridge is being stretched, it sends signal via the red signal wire. You can use multiple load sensors simultaneously to increase the capacity range.
Up to 50kg sensor range
Logic DC Jack is a logic module build with AND and NOT functions, which you can change the level of output via logic principles. Also with a switch for changing logic between AND and NOT, you can use one of functions easily.
It can provide two logic inputs at most and let you to accomplish so..