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<br>The 4x4 Matrix Keyboard/16 Key Membrane Switch Keypad for Arduino is a versatile input device designed specifically for Arduino-based projects. It offers a compact and durable keypad solution with 16 membrane switch keys arranged in a 4x4 matrix layout.<br><br>This keypad is commonly used in applications where user input is required, such as security systems, access control panels, DIY electronics projects, and more. Its compact size makes it ideal for projects with limited space or portable devices.
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