4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
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4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
Max. Circuit Rating: 35VDC, 100mA
4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
товар №: 86854199

4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR

товар №: 86854199

TJS 89

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США Импортировано из магазина USA

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Max. Circuit Rating: 35VDC, 100mA
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What Stands Out

Compact Design
The 4x3 matrix layout provides a compact control panel, making it ideal for space-constrained projects while maintaining functionality and ease of use.
Versatile Compatibility
Designed to work seamlessly with Arduino and AVR microcontrollers, it simplifies integration into various electronics projects, ensuring broad application in DIY and professional setups.
Durable Construction
Crafted with quality membrane materials, this keypad promises durability and resilience against wear, ensuring long-term reliability for both hobbyists and industrial applications.

Информация о продукте

Shop 4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR online at a best price in Tajikistan. B07KNTJ2NG
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Arduino Developers

    Ideal for hobbyists and developers creating Arduino projects requiring user input or control mechanisms for functionality.

  • Embedded Systems

    Suitable for those integrating simple keypads in embedded systems for user interaction, allowing easy control of applications.

  • DIY Enthusiasts

    Perfect for DIY electronics enthusiasts looking to build interactive devices or prototypes using a compact keypad interface.

Not Suitable For
  • Professional Use

    Not suitable for professional-grade applications requiring high durability or certification for commercial use.

  • Complex Interfaces

    Users needing a sophisticated interface with programmable features may find this basic keypad insufficient.

  • Mobile Applications

    Not ideal for mobile projects where space and portability are critical, as it lacks flexibility and compactness.

ОПИСАНИЕ ТОВАРА

4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR

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Вопросы и ответы клиентов

  • вопрос: What is a 4x3 matrix array 12 key membrane switch keypad?

    отвечать: A 4x3 matrix array 12 key membrane switch keypad is a compact input device that consists of 12 individual keys arranged in four rows and three columns. This type of keypad is utilized for user interfaces in various electronic projects, particularly in conjunction with microcontrollers like Arduino and AVR. The matrix design helps optimize space while providing an efficient and straightforward way to input commands, ideal for applications in home automation, robotics, and gaming systems.
  • вопрос: How do I connect the 4x3 membrane switch keypad to an Arduino?

    отвечать: To connect the 4x3 membrane switch keypad to an Arduino, begin by wiring the keypad's rows and columns to the appropriate digital pins on the Arduino board. Each of the keypad's rows should connect to a separate pin, and the same goes for the columns. Once connected, use a keypad library, like Keypad or similar, to manage input detection in your code. This setup allows the Arduino to identify which button is pressed and execute specific functions, making it perfect for interactive projects.
  • вопрос: Can I use this keypad with other microcontrollers besides Arduino?

    отвечать: Yes, the 4x3 matrix array keypad is versatile and can be used with other microcontrollers, such as AVR, PIC, or Raspberry Pi. The wiring process remains similar: connect the keypad's rows and columns to the digital pins of the other microcontroller. Libraries and code examples specific to those platforms facilitate integration, allowing you to develop a range of applications including control panels, user interfaces, and more. This flexibility makes the keypad ideal for various electronics projects.
  • вопрос: What applications are suitable for a 4x3 matrix keypad?

    отвечать: The 4x3 matrix keypad is ideal for various applications, including Home Automation systems for controlling lights or appliances, or security devices like access control systems. It can also be used in DIY projects involving robotics for user input or joystick functions, as well as in gaming consoles as a control interface. Its versatility makes it a go-to solution for developers and hobbyists needing a compact user interface for electronic devices.
  • вопрос: What features should I look for in a membrane switch keypad?

    отвечать: When evaluating a membrane switch keypad, consider features such as key sensitivity, durability, and the type of feedback (tactile or non-tactile) it offers. Additionally, assess the ease of integration with your microcontroller and review the availability of compatible libraries to facilitate development. Compatibility with different voltages and a potentially longer lifespan due to the absence of moving parts is also crucial for overall effectiveness in your projects.
  • вопрос: Is the keypad suitable for outdoor use?

    отвечать: While the standard 4x3 matrix keypad is designed for indoor applications, outdoor use is possible if you take necessary precautions. Consider utilizing a protective enclosure to shield it from moisture and dust. Additionally, select keypads that are labeled as waterproof or weather-resistant. This way, you can implement user interfaces for outdoor devices or installations, ensuring durability and functionality in various environmental conditions.
  • вопрос: Can I modify the key functions on the keypad?

    отвечать: Absolutely! One of the key features of the 4x3 matrix keypad is that it allows for custom programming. By writing code in your microcontroller’s Integrated Development Environment (IDE), you can assign specific functions to each key based on your project requirements. This programmability is essential for creating tailored user experiences, whether you need a simple input method or complex command sequences for advanced projects.
  • вопрос: What is the difference between the keypad and a traditional mechanical keyboard?

    отвечать: The primary difference lies in their construction and functionality. A 4x3 matrix keypad is a compact, low-profile membrane switch, while traditional mechanical keyboards utilize individual mechanical switches under each key for tactile feedback. This makes the membrane keypad lighter and quieter, ideal for portable applications. They are often used in scenarios where space and weight are critical concerns, like embedded systems and smaller electronic devices.
  • вопрос: What should I be aware of when programming the keypad?

    отвечать: When programming the 4x3 matrix keypad, ensure that your code correctly identifies each key press. Consider using established libraries designed for matrix keypads that provide functions for scanning the keypad and detecting pressed keys. Debugging is also important; make sure to test each key with sample code to confirm correct functionality. Taking the time to understand how the keypad works with your microcontroller is key for seamless integration into your project.
  • вопрос: Where can I buy the 4x3 Matrix Array 12 Key Membrane Switch Keypad?

    отвечать: You can purchase the 4x3 Matrix Array 12 Key Membrane Switch Keypad from Ubuy in Tajikistan. Ubuy is a reliable e-commerce platform that offers a wide variety of electronics and components suitable for your projects, ensuring you find the right products to enhance your electronics work.

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TJS 89

Закажите сейчас и получите товар приблизительно Вторник, Июль 21

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
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Особенности и преимущества

  • Max. Circuit Rating: 35VDC, 100mA
  • Connector: Dupont 7 pins, 0.1 (2.54mm) Pitch
  • Insulation Spec.: 100M Ohm, 100V
  • Mount Style: Self-Adherence
  • Contact Bounce: Reland Sung
  • Dielectric Withstand: 250VRms (60Hz, 1min)