Black Flexible Membrane Key Switch 

Black Flexible Membrane Key Switch Then there is the toggle switch of the same period. The principle of the toggle switch is to cut off or connect the circuit by toggling the contacts of the plastic handle. The switch is mainly used in low-voltage circuits. It is characterized by small size, multiple functions, fast response speed, and strong resistance to electricity, light and magnetic interference. . Mainly used in various instruments and instrumentation equipment. Membrane switch is an operating system that integrates key functions, indicating elements and instrument panels. It consists of four parts: panel, upper circuit, isolation layer and lower circuit. When the membrane switch is pressed, the contacts of the upper circuit are deformed downward, and are in contact with the pole plate of the lower circuit. After the finger is released, the contacts of the upper circuit bounce back, the circuit is disconnected, and the circuit triggers a signal.The membrane switch has s…

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