Micro Switches are vital tools in the factory automation, designed to assist engineers in creating efficient systems. They're like the sensing equipment of machines, helping them react to changes in their conditions. These switches come in different shapes: plunger type, lever shape (push), and rod shape. Their function is to sense the changes and then initiate actions. Think of a plunger-type switch as a button – when you press it, it signals something to happen. Similarly, the lever-shaped switch is like a doorbell – pressing the lever activates a response. The rod-shaped switch works when its rod is moved. There are different types, such as single pole double throw, double pole double throw, single pole normally closed, and single pole normally open. These names might sound complex, but they simply describe how the switch behaves. Single pole means one pathway for electricity, and double pole means two path for electricity,. Normally open (NO) implies the switch is off (open circuit) until triggered, while normally closed (NC) indicates it's on (Close circuit) until triggered. In essence, Micro Switches play a significant role in factory automation, enabling machines to respond accurately to various scenarios.