Automatic Bottle Filling Machine refers to a filling machine that is most commonly used in the beverages and soft drink industries. These machines are used as conveyor belts which is an economical and fast way to fill bottles. These PLCs are used for automatic bottle filling machines that can make a very basic and versatile bottle filler using an Arduino. The automatic Bottle Filling Machine works by using vacuum, pressure and gravity. These are pre-determined and set on the machine and the machine fills the bottle to this level.