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Silicone rubber keypad is a great invention that simplify controll device production in switch system .
PCB board,Silicone keypad,plastic or hardware shell,3 parts make a whole controll device.Carbon pill is the heart that conducting between keypad and PCB and is always built with keypad or buttons in one piece.
PCB board,Silicone keypad,plastic or hardware shell,3 parts make a whole controll device.Carbon pill is the heart that conducting between keypad and PCB and is always built with keypad or buttons in one piece.