2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key
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2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key
The keyboard matrix allows you to quickly add controls to your electronic projects.
2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key
Nr produktu: 220387865

2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key

Nr produktu: 220387865

PLN 76

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*All items will import from Stany Zjednoczone

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The keyboard matrix allows you to quickly add controls to your electronic projects.
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Szczegóły Produktu

Shop 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key online at a best price in Poland. B0DZ28WF1X
Item Weight0.5 lbs (230 grams)

OPIS PRODUKTU

2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key

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Pytania i odpowiedzi klientów

  • pytanie: What is a 4x4 matrix keypad and how does it work?

    odpowiedź: A 4x4 matrix keypad consists of 16 individual keys arranged in a grid format, allowing users to input data into a microcontroller efficiently. It operates by connecting rows and columns, which means when a key is pressed, it forms a circuit that can be detected by the connected hardware. This allows microcontrollers to capture specific inputs quickly. Popular use cases include DIY electronics projects, home automation systems, and custom keypad interfaces for embedded applications.
  • pytanie: Can I use the 4x4 matrix keypad with any microcontroller?

    odpowiedź: Yes, the 4x4 matrix keypad is compatible with a wide range of microcontrollers, including Arduino, Raspberry Pi, and other development boards. To integrate it, you'll need to follow a specific wiring setup and utilize libraries that facilitate communication between the keypad and your microcontroller. This versatility makes it an ideal choice for hobbyists creating projects such as security systems, ATM interfaces, or custom gaming controls.
  • pytanie: What are the dimensions of the 4x4 matrix keypad?

    odpowiedź: The typical dimensions of a 4x4 matrix keypad panel are approximately 4.5cm x 4.5cm. However, actual size can vary slightly by manufacturer. The compact size allows for easy integration into various projects without taking up too much space. This is especially beneficial for embedded systems or handheld devices where maintaining a small footprint is crucial.
  • pytanie: Is there any specific coding required to program the keypad?

    odpowiedź: Programming the 4x4 matrix keypad typically involves using a library suited for the microcontroller you’re working with. For example, if using Arduino, you can leverage libraries such as Keypad.h, which simplifies the process of reading key presses. The code allows you to map keys to specific functions or commands in your project, which can be particularly useful in creating interactive applications like menu navigations or password entry systems.
  • pytanie: What materials are 4x4 matrix keypads made from?

    odpowiedź: 4x4 matrix keypads usually feature a plastic panel with conductive material for the key switches. This design ensures durability and the ability to withstand frequent use in various applications. The underlying technology typically employs a membrane switch that reacts when a key is pressed, making it suitable for projects ranging from basic controls to complex user interfaces in electronics.
  • pytanie: Is the 4x4 matrix keypad water-resistant?

    odpowiedź: Standard 4x4 matrix keypads are not inherently water-resistant unless stated by the manufacturer. If you're using it in environments where moisture is a concern, consider using protective casings or exploring specialized models designed for outdoor or industrial applications. This ensures the longevity of your project, particularly in environments such as kitchens, outdoor setups, or industrial controls.
  • pytanie: What projects can I use the 4x4 matrix keypad for?

    odpowiedź: The 4x4 matrix keypad is versatile and can be utilized in various projects including security alarm systems, smart home controls, and interactive kiosks. It can also be implemented in educational kits for teaching programming and electronic principles. The ability to customize key functions makes it highly adaptable to numerous applications, allowing users to create unique user interfaces tailored to specific needs.
  • pytanie: Are there any similar products to the 4x4 matrix keypad?

    odpowiedź: Yes, there are several alternatives to the 4x4 matrix keypad including 3x4 keypads, 4x3 keypads, and touchscreen interfaces. Each comes with its advantages depending on the complexity and type of input required. For instance, touchscreen interfaces might offer more flexibility for a wider range of inputs and custom designs, while a smaller keypad may fit better in projects where space is limited.
  • pytanie: Can the 4x4 matrix keypad be used with a breadboard?

    odpowiedź: Absolutely! The 4x4 matrix keypad can easily be utilized with a breadboard. It typically has header pins that can be connected to the breadboard for prototyping. This compatibility allows for straightforward setup and testing of your microcontroller projects before moving on to permanent designs. Whether you're creating a simple project or a more intricate system, a breadboard facilitates modular development.
  • pytanie: Where can I buy 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key) in Poland?

    odpowiedź: You can purchase the 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller from Ubuy in Poland. Ubuy offers a convenient shopping experience with a user-friendly interface, ensuring you find what you need quickly. They often provide competitive options and reliable delivery, making it a solid choice for obtaining electronics and components.

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Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”

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6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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PLN 76

Zamów teraz i otrzymaj około Sobota, Lipiec 11

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Nasi czołowi partnerzy logistyczni
  • fedex
  • dhl
Fastest cross-border delivery

Cechy i zalety

  • 4x4 matrix design with 16 keys for versatile input.
  • Includes numbers 0-9, letters A-D, and symbols * and #.
  • Compact size (6.8*6.5*1cm) and lightweight (24g) for easy integration.
  • Perfect for various applications like password security and gate locks.
  • Simple communication with any microcontroller for hassle-free setup.
  • Comes with 2 keypad modules for added value.

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