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The micro switch is a type of mechanical switch that is used in electronic devices such as keyboards, circuit breakers, sensors, and robots. The device is made of a housing with a contact that sits on the top of a button. When the button is pressed, the contact is pressed on a plunger which opens the circuit and completes the circuit. The micro switch is usually a single-pole switch, which means that it can only be in one of two positions, either on or off.
