The 4 X 4 Matrix Keypad is a very simple one which have 16 tactile keys connected to the male headers across the resisters on the same board. It is very small and easy to carry. Its simplicity is just to give the power to the keypad and connect the headers to the micro-controller's input port with 8 pin female connecting wire. When one tactile key is pressed its corresponding pin with Rows and column intersection gets high logic.

Features of 4x4 Matrix Keypad:

• Easy to use.
• Easy of handle.

Applications of 4x4 Matrix Keypad:

• Password Protected Door Security System.
• Wired Remote Controlled Robot.
• Electronic Voting Machine.
• Generating External Interrupt.
• Musical Keypad and many more.
• Multiple DIY Projects.

Note: Images shown is only for representation. The actual product may vary with the picture shown.

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