3pcs Display Membrane Switch Matrix Keyboard Button Control Panel 6 Button with Light
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Product details
Condition
New
Location
International
Bob Shop ID
615105563
Basic working principle of membrane switch: ? When the panel is not pressed down, the membrane switch is in a normal state, and its upper and lower contacts are in a disconnected state. When the panel is pressed down, the contact of the upper circuit deforms downward and recombines with the lower circuit to conduct the circuit. After conducting, the circuit signals the external connection instrument (base material) to realize its corresponding function. When the finger is released, the upper contact bounces back, the circuit disconnects, and the loop triggers a signal. ? Package includes:
3 x?Display Membrane Switch
3 x?Display Membrane Switch