4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key
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4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key
The keyboard matrix allows you to quickly add controls to your electronic projects.
4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key
Numéro d'article: 100353309

4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key

Numéro d'article: 100353309

XOF 15117

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The keyboard matrix allows you to quickly add controls to your electronic projects.
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Ce qui se démarque

Compact Design
The 4PCS 3x4 Matrix Keypad is lightweight and space-efficient, making it ideal for embedded projects without adding bulk to your design.
Versatile Compatibility
Designed to easily integrate with various microcontrollers, this keypad supports multiple applications, enhancing versatility for development in electronics and robotics.
Durability
Built with high-quality materials, this keypad module ensures longevity and reliable performance, catering to harsh usage environments and frequent user interaction.

Détails du produit

Shop 4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key online at a best price in Cote dIvoire. B0DFGM8ZPB
Compatible DevicesMicrocontroller-compatible devices
Connectivity TechnologyPS/2
Number of Keys12
Power SourceWired
Switch TypeMechanical
Keyboard LayoutQWERTY
Hand OrientationAmbidextrous
Button Quantity12
Style Name12Key
ThemeNumber
BrandSazkJere
Keyboard DescriptionNumeric
Built-In Media4PCS External Keypad Board
Model NumberSJ64X4
ManufacturerSazkJere
Unit Count4.0 Count
Enclosure MaterialPlastic
Style12Key
MaterialPlastic
Included Components4PCS External Keypad Board
Item Weight0.2 lbs (90 grams)

À qui est-ce destiné ?

Suitable For
  • Arduino Enthusiasts

    Ideal for users who develop projects using Arduino microcontrollers needing simple input solutions.

  • DIY Electronics Projects

    Perfect for hobbyists integrating keypads in personal electronics projects like alarm systems or interactive displays.

  • Students Learning Programming

    Beneficial for students practicing coding and electronics, providing hands-on experience with input devices.

Not Suitable For
  • Professional Developers

    Not suitable for advanced developers requiring robust input solutions beyond basic keypads.

DESCRIPTION DU PRODUIT

4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What is a 3x4 Matrix Keypad and how does it work?

    répondre: A 3x4 Matrix Keypad is an electronic component consisting of a grid of keys arranged in three rows and four columns, totaling 12 keys. Each key press is detected via a combination of row and column contacts that are connected to a microcontroller, facilitating user input for various applications. This setup allows for efficient scanning and minimizes the number of input pins needed for operation. Typical use cases include numeric inputs for devices like alarm systems, access control, or DIY electronics projects where a compact keypad interface is required.
  • question: Can I use the 3x4 Matrix Keypad with different microcontrollers?

    répondre: Yes, the 3x4 Matrix Keypad is compatible with a variety of microcontrollers, including popular ones like Arduino, Raspberry Pi, and PIC. The wiring typically involves connecting row and column pins of the keypad to the GPIO pins of the microcontroller. Given its adaptability, this keypad can be utilized in projects ranging from home automation systems to robotics, allowing users to create custom interfaces for various applications.
  • question: What types of projects can the 3x4 Matrix Keypad be used for?

    répondre: The 3x4 Matrix Keypad is versatile and can be employed in numerous electronics projects, such as alarm systems, code entry systems, remote controls, or as a user interface for embedded devices. By providing a straightforward way to input numbers or commands, hobbyists often incorporate it into Arduino-based projects or as a control panel for custom electronic designs, enhancing user interaction.
  • question: How do I wire the 3x4 Matrix Keypad to my microcontroller?

    répondre: Wiring the 3x4 Matrix Keypad involves connecting its 7 pins to the GPIO pins of your microcontroller. Typically, the keypad has 3 pins for rows and 4 pins for columns. You can designate any 7 digital pins on your microcontroller for this purpose. After connecting, programming libraries such as Keypad for Arduino can simplify the process of detecting key presses. This method ensures that your electronic project remains efficient while involving minimal wiring complexity.
  • question: What features should I look for in a keypad module?

    répondre: When selecting a keypad module, consider factors like key responsiveness, durability, size, and ease of integration with your existing components. A quality 3x4 Matrix Keypad will typically offer tactile feedback for each key press, ensuring a satisfying user experience. Moreover, compatibility with various microcontrollers and the availability of accompanying libraries can ease the development process for any electronic project you undertake.
  • question: Is the 3x4 Matrix Keypad suitable for commercial applications?

    répondre: Yes, the 3x4 Matrix Keypad can be suitable for commercial applications, particularly in products requiring numeric input, like point-of-sale terminals, appliance controls, or industrial equipment interfaces. Its compact size and simplicity make it a cost-effective solution for integrating user inputs into various electronic systems, thus enhancing product functionality in commercial settings.
  • question: How durable is the 3x4 Matrix Keypad?

    répondre: The durability of a 3x4 Matrix Keypad largely depends on its design and construction materials. Good quality keypads typically feature robust key switches and a well-designed substrate, allowing them to withstand frequent use. When used in applications that demand high reliability, such as security systems or user interfaces, selecting a keypad with proven durability is essential for maintaining operational integrity over time.
  • question: Can I customize the key layout on my keypad?

    répondre: Yes, you can customize the key layout on a 3x4 Matrix Keypad during programming. By modifying the code used to read inputs, you can assign different functions or outputs to each key according to the requirements of your project. For instance, you might want to create a custom command sequence for a home automation system, allowing users to control lights or appliances easily. This flexibility makes it an ideal choice for tailored electronic projects.
  • question: Is it beginner-friendly to work with the 3x4 Matrix Keypad?

    répondre: Absolutely! The 3x4 Matrix Keypad is designed for ease of use, making it suitable for beginners and seasoned developers alike. With tutorials readily available and libraries like the Keypad library for Arduino simplifying the coding process, newcomers can quickly learn to integrate this keypad into their projects. Whether you're creating your first electronic device or experimenting with more complex systems, it serves as a great introduction to keypad functionalities.
  • question: Where can I buy the 4PCS 3x4 Matrix Keypad 12 Keyboard Module for Microcontroller in Cote dIvoire?

    répondre: You can purchase the 4PCS 3x4 Matrix Keypad 12 Keyboard Module for Microcontroller on Ubuy, a reliable online platform that offers a wide selection of electronic components and modules. Ubuy provides access to international shipping options, ensuring that you receive your keypads efficiently. Their user-friendly interface allows you to easily locate and order your required components for your projects.

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Avantages

  • Easy to interface with microcontrollers
  • Compact and lightweight design
  • Good build quality and durability
  • Responsive key press feedback
  • Versatile for various projects

Les inconvénients

  • Limited key press detection accuracy

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

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4.2/5 9250 + reviews
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

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XOF 15117

Commandez maintenant et recevez votre commande aux alentours du Vendredi, Août 28

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Conforme PCI DSS et certifié ISO 27001:2022, avec des paiements chiffrés et une protection complète de l'acheteur pour chaque commande.

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Caractéristiques et avantages

  • 12-button keypad with numbers 0-9, *, and #.
  • Compact size of 7*5*1 cm and lightweight at 19g.
  • Easy integration with any microcontroller for seamless connectivity.
  • Ideal for applications like password security systems and gate lock keypads.
  • 3x4 matrix design for efficient input management.
  • Includes 4 keypads for multiple project uses.

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