What Is a Key Switch?
The key switch mainly refers to a touch key switch, also called a touch switch. A key switch is an electronic switch that belongs to the category of electronic components. It first appeared in Japan [referred to as: a sensitive switch]. When used, it meets the conditions of the operating force. Press the switch function in the direction of the switch. When the pressure is applied, the switch is turned off. The internal structure of the switch is turned on and off by the force change of the metal shrapnel.