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)
منتج #: 220387865

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

81% من المشترين سيوصون بهذا المنتج لصديق

منتج #: 220387865

EGP 949

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The keyboard matrix allows you to quickly add controls to your electronic projects.
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Note: Step Down Voltage Transformer required for using electronics products of أمريكا store (110-120). Recommended power converters اشتري الآن.

مايفيد

Compact Design
The 4x4 matrix keypad features a compact design, making it easy to integrate into various electronic projects and microcontroller applications without taking up much space.
Versatile Compatibility
This keypad module is compatible with multiple microcontrollers, such as Arduino and Raspberry Pi, simplifying the process of adding user input capabilities to your projects.
Durable Build
Constructed from high-quality materials, this keypad ensures longevity and reliability, providing consistent performance over time even in demanding environments.

تفاصيل المنتج

Shop 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key) online at a best price in مصر. B0DZ26VVR7
Compatible DevicesPC
Connectivity TechnologyUSB-A
Additional FeaturesLightweight
Power SourceUSB Powered
Keyboard LayoutQWERTY
Hand OrientationAmbidextrous
Compatible Operating System FamilyWindows
Number of Keys16
Style Name16Key
ThemeNumber
Enclosure MaterialPlastic
BrandSazkJere
Keyboard DescriptionNumeric
Built-In Media2PCS Matrix Keypad
Model Number4x4 key
Unit Count2 Count
ManufacturerSazkJere
Number of Packs2
Number of Items2
Mfr Part NumberSJ64X4
Special FeatureLightweight
Style16Key
MaterialPlastic
Included Components2PCS Matrix Keypad
Item Weight0.5 lbs (230 grams)

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Suitable For
  • Microcontroller Projects

    Ideal for hobbyists building Arduino or Raspberry Pi projects requiring user input through a keypad.

  • Educational Purposes

    Great for students learning about electronics and programming, offering hands-on experience with input devices.

  • DIY Electronics

    Perfect for DIY enthusiasts creating custom devices needing a compact input method for commands.

Not Suitable For
  • Complex Applications

    Not suitable for advanced projects requiring detailed data entry or complex user interfaces beyond simple numeric input.

وصف المنتج

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

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أسئلة العملاء & الإجابات

  • سؤال: What is a 3x4 Matrix Keypad?

    إجابه: A 3x4 Matrix Keypad is a type of input device that consists of 12 buttons arranged in a grid of three columns and four rows. Each keypress is detected using a matrix scanning technique, allowing for more compact designs. This keypad is commonly used with microcontrollers for projects where user input is required, such as home automation systems or payment terminals. Its straightforward design makes it an essential component for hobbyists and professionals alike.
  • سؤال: How do I connect the 3x4 Matrix Keypad to a microcontroller?

    إجابه: Connecting a 3x4 Matrix Keypad to a microcontroller typically involves connecting the keypad's rows and columns to specific GPIO pins on the microcontroller. You would set up your microcontroller's code to read the keypad's input by scanning the rows and columns to identify which key is pressed. This connection process is essential for integrating the keypad in projects like robotic controls or remote data input, enhancing user interaction.
  • سؤال: What type of projects can I use the 3x4 Matrix Keypad for?

    إجابه: The 3x4 Matrix Keypad is versatile and can be used in various projects such as security systems, home automation, and interactive displays. For instance, you can create a door lock system that requires a PIN input or a simple calculator project. Its adaptability makes it an ideal component for educational purposes in electronics and programming, enabling hands-on learning in robotics and automation.
  • سؤال: Is the 3x4 Matrix Keypad compatible with Arduino?

    إجابه: Yes, the 3x4 Matrix Keypad is highly compatible with Arduino boards, making it a popular choice for DIY electronics enthusiasts. There are libraries available that simplify the coding process, allowing for quick integration into Arduino projects. This compatibility opens doors to a multitude of applications, such as building a custom user interface for your Arduino-based project.
  • سؤال: What is the voltage requirement for the keypad?

    إجابه: The 3x4 Matrix Keypad typically operates at a voltage range of 3.3V to 5V, which aligns with most microcontrollers. Ensuring the voltage is within this range is crucial for optimal performance. This feature enables its use in a variety of low-power applications, such as battery-operated devices or wearables.
  • سؤال: Can I use this keypad with other microcontroller platforms?

    إجابه: Absolutely! The 3x4 Matrix Keypad can be used with various microcontroller platforms such as Raspberry Pi, PIC, and others. Adaptors or interface modules may be needed depending on the platform, but its universal design makes it a great option for multi-platform compatibility. This flexibility allows developers to work across different environments while maintaining a consistent user interface.
  • سؤال: What materials is the keypad made of?

    إجابه: The 3x4 Matrix Keypad is generally constructed from durable plastic for the keys and a flexible printed circuit for the connections. This construction ensures longevity and reliable performance under frequent use. The design also makes it lightweight, which is essential for integrating into compact electronic projects without adding unnecessary weight.
  • سؤال: How does the matrix scanning technique work?

    إجابه: The matrix scanning technique used in the 3x4 Matrix Keypad involves energizing one row or column at a time, allowing the microcontroller to detect which key is pressed by checking the corresponding row and column lines. This method reduces the number of input pins required, streamlining connections. It is particularly useful in applications where space is limited and multiple inputs are needed with minimal wiring.
  • سؤال: Is it possible to customize the key layout?

    إجابه: While the standard layout of the 3x4 Matrix Keypad features numerical keys, you can customize the physical layout by reassigning the pins in your microcontroller code. This customization allows you to create specific inputs for your projects, such as personalized function keys for advanced applications in industrial controls or unique user interfaces.
  • سؤال: Where can I buy 2PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller in Egypt?

    إجابه: You can purchase the 2PCS 3x4 Matrix Keypad 12 Keyboard Module from Ubuy in Egypt. Ubuy provides a wide selection of electronic components, ensuring you can find the right products for your projects. Their platform offers easy navigation and reliable service, making it a go-to option for sourcing components needed for your electronics tasks.

SazkJere Access-Control Keypads 4x4 key Editorial Review

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المميزات والفوائد

  • 12-button matrix keyboard module with numeric keys and function buttons.
  • Easily integrates with any microcontroller for seamless communication.
  • Compact size of 7*5*1cm, lightweight at only 19g.
  • Ideal for applications like password security systems and automatic gate keypads.
  • Includes numbers 0-9, and standard symbols (*#).
  • Package includes 2 x 12 keys keypads for added value.

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