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The 4x4 Flat Matrix Keypad is a compact and versatile input device commonly used in electronic projects and embedded systems. It provides a convenient interface for users to input numeric or alphanumeric data, making it suitable for applications such as security systems, access control, and interactive electronic projects. With its 4x4 matrix layout, it allows for a total of 16 programmable keys.

Specificatoins of 4x4 Flat Matrix Keypad:

  • Keypad Layout: 4x4 matrix layout, consisting of 16 keys arranged in four rows and four columns.
  • Size: Typically measures 76mm x 69mm (Length x Width).
  • Number of Keys: 16 programmable keys, each with a unique position in the matrix.
  • Input Method: When a key is pressed, it generates a unique combination of row and column signals, which can be decoded to identify the pressed key.
  • Interface: Typically interfaces with microcontrollers or embedded systems using digital I/O pins.
  • Material: Made of durable and lightweight materials suitable for various environments.
  • Compatibility: Compatible with a wide range of microcontrollers and development boards.
  • Application: Commonly used in projects requiring user input, password entry, or menu navigation.

Features of 4x4 Flat Matrix Keypad:

  • Compact Design: The 4x4 matrix layout provides a compact and efficient design for inputting data.
  • Versatile Use: Suitable for a variety of applications, from security systems to interactive electronics projects.
  • Easy Integration: Interfaces easily with microcontrollers and development boards for seamless integration into projects.
  • Durable Construction: Built with durable materials to withstand everyday use.
  • Multiple Keys: Offers 16 programmable keys, expanding input options for users.
  • Usage Tip:
  • When using the 4x4 matrix keypad, refer to its datasheet or documentation to determine the row and column connections for each key.
  • Utilize a library or code examples provided for your microcontroller to simplify the process of reading keypresses from the keypad.
  • Caution:
  • Handle the keypad with care to avoid damaging the keys or the internal circuitry.
  • Ensure proper connections and voltage levels when interfacing with a microcontroller to prevent damage to both the keypad and the controller.
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