Keyestudio 4x4 Matrix Micro Switch Keypad Module
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This module is ideally suited to adding a keypad to your project. This is the 4x4 matrix keypad which provides 4 columns and 4 rows of switches. Each tactile micro switch makes an audible click when a connection is made.
A press of one of the switches will provide an open connection between two of the pins. Such that setting each of the first 4 pins HIGH in sequence and polling the opposite 4 will allow you to determine if any of the switches are pressed.
Please do not hesitate to contact us if you require further information regarding the module's operation.
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