Yetaida
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4x4 Keypad 16 Key 4PCS Matrix Array Membrane Switch Keypad Keyboard for Microcontroller
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4x4 Keypad 16 Key 4PCS Matrix Array Membrane Switch Keypad Keyboard for Microcontroller
Ultra-thin design and adhesive backing make Yetaida 4x4 Keypad easy to integrate with any microcontroller and perfect for security systems, menu selection, and data entry in embedded systems.
4x4 Keypad 16 Key 4PCS Matrix Array Membrane Switch Keypad Keyboard for Microcontroller
Item #: 15129446

4x4 Keypad 16 Key 4PCS Matrix Array Membrane Switch Keypad Keyboard for Microcontroller

Item #: 15129446

AUD 36

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Order now and get it around Monday, July 13
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Ultra-thin design and adhesive backing make Yetaida 4x4 Keypad easy to integrate with any microcontroller and perfect for security systems, menu selection, and data entry in embedded systems.
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What Stands Out

Compact Design
The 4x4 matrix layout saves space while providing 16 key functionality, making it perfect for compact electronic projects and devices.
High Compatibility
Designed for seamless integration with various microcontrollers, this keypad is ideal for DIY projects, enhancing user control in applications.
Durable Construction
Crafted with long-lasting materials, this membrane switch keypad withstands frequent use, ensuring reliability and longevity in critical applications.

Product Details

Shop the 4Pcs 16Key Arduino Keypad from Yetaida. Matrix Array Membrane Switch Keypad for Arduino Microcontroller. Available on Ubuy Nauru - A Nauru for electronics and more.
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • Embedded Developers

    Ideal for developers working on microcontroller projects that require a compact and user-friendly input interface.

  • DIY Electronics Enthusiasts

    Great for hobbyists building custom electronic devices that need an efficient and reliable keypad input.

  • Educational Projects

    Perfect for students learning about circuits and programming, providing practical hands-on experience with keypads.

Not Suitable For
  • High-Durability Needs

    Not suitable for environments where keypads are subject to heavy wear and tear due to its membrane structure.

  • Complex Input Requirements

    Not ideal for applications needing advanced key identification, such as anti-ghosting features for multiple key presses.

  • Professional Equipment

    May not meet the reliability standards required in commercial products where keyboard performance is critical.

Product Description

4x4 Keypad 16 Key 4PCS Matrix Array Membrane Switch Keypad Keyboard for Microcontroller

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a 4x4 Keypad 16 Key Matrix Array Membrane Switch?

    Answer: A 4x4 Keypad 16 Key Matrix Array Membrane Switch is a compact input device featuring 16 keys in a 4-row by 4-column configuration. It is designed for use with microcontrollers, allowing users to input commands easily. Each key press generates a unique combination of row and column signals that the microcontroller detects. This keypad is perfect for applications such as home automation, remote controls, or educational robotics projects, providing a user-friendly interface for inputting numerical or textual data.
  • Question: How do I connect the 4x4 Keypad to a microcontroller?

    Answer: Connecting a 4x4 Keypad to a microcontroller is straightforward. You typically connect the keypad's rows and columns to digital pins on the microcontroller. In your code, you'll set the column pins as outputs and the row pins as inputs. Each time a key is pressed, the keypad pulls one of the row pins low, which allows your code to determine which key was pressed. This setup is commonly used in projects requiring numerical input, such as calculators and locks.
  • Question: Can I use the 4x4 Keypad with Arduino?

    Answer: Absolutely! The 4x4 Keypad is widely compatible with Arduino boards, making it ideal for various projects. You can use libraries like Keypad.h to simplify the coding process, allowing easier detection of key presses. With an Arduino, you can create applications ranging from simple password entry systems to advanced interactive displays, enhancing user interface capabilities in your projects.
  • Question: What type of projects can benefit from using a 4x4 Keypad?

    Answer: The 4x4 Keypad is versatile and can enhance many projects. Typical uses include creating control panels for home automation systems, inputting data for custom calculators, or using it as a numeric entry system for security applications like locks. Its compact size and ease of integration make it a favorite among hobbyists and professionals alike, particularly in electronics prototyping and embedded system projects.
  • Question: Is the 4x4 Keypad durable for everyday use?

    Answer: Yes, the 4x4 Keypad is designed to withstand frequent use. Constructed as a membrane switch, it offers a tactile response and is resilient against wear and tear, making it suitable for both temporary prototypes and permanent installations. Field applications could include user interfaces in industrial machinery, where reliability over extended periods is crucial.
  • Question: What voltage levels does the 4x4 Keypad support?

    Answer: The 4x4 Keypad is typically designed to operate within a voltage range from 3.3V to 5V, which makes it compatible with most common microcontrollers, including Arduino and Raspberry Pi. This flexibility allows engineers and hobbyists to seamlessly integrate the keypad into their projects without worrying about voltage incompatibility, perfect for designs requiring minimal power consumption.
  • Question: Does the 4x4 Keypad require any additional components for operation?

    Answer: Generally, the 4x4 Keypad can operate independently, requiring only a microcontroller with GPIO (General Purpose Input/Output) capability for connection. However, you may consider adding pull-up resistors for better signal stability, depending on your specific application. This addition can enhance the reliability of the key detection, especially in environments with electrical noise or interference.
  • Question: Can the 4x4 Keypad be used in low-light conditions?

    Answer: While the 4x4 Keypad does not have built-in illumination, it can still be used in low-light environments. Users can incorporate external backlighting behind the keys or use them in conjunction with an LCD display to provide visual feedback. This capability is particularly useful in applications such as automotive control panels or night-time security systems, where users may operate interfaces in dim lighting.
  • Question: Can I customize the key layout on the 4x4 Keypad?

    Answer: Yes, you can customize the key layout on the 4x4 Keypad in your application code. Each key can be assigned a unique function or value based on your project requirements. This flexibility allows for creative solutions, making it ideal for custom user interfaces, gaming applications, or specialized control systems. The simple matrix configuration makes alterations straightforward without needing to modify the hardware.
  • Question: Where can I buy the 4x4 Keypad 16 Key Matrix Array Membrane Switch Keypad Keyboard for Microcontroller in Nauru?

    Answer: You can purchase the 4x4 Keypad 16 Key Matrix Array Membrane Switch Keypad Keyboard for Microcontroller on Ubuy, a reliable online marketplace offering a wide selection of electronic components. Ubuy provides a convenient shopping experience, allowing you to find this product along with detailed specifications and customer reviews, ensuring you make an informed purchase decision.

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AUD 36

Order now and get it around Monday, July 13

QTY:

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

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Fastest cross-border delivery

Features & Benefits

  • Ultra-thin design and adhesive backing for easy integration
  • Perfect for security systems, menu selection, and data entry in embedded systems
  • 8 pins connector, pitch 2.54mm membrane switch keypad
  • Life span of 1,000,000 tactile operations
  • Operation Temperature : 0-60°C
  • Excellent price/performance ratio

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