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2PCS 16 Keys Matrix Keypad 16 Keyboard Module 4x4 Buttons External Keypad Board with Pin Header (Welded)
88% of respondents would recommend this to a friend
USD 20
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The 4x4 matrix keyboard module provides quick and easy control options for your electronic projects.
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What Stands Out
Product Details
| Compatible Devices | MCU |
| Connectivity Technology | OTHER |
| Additional Features | Lightweight |
| Power Source | Wired |
| Number of Keys | 16 |
| Style Name | 16Keys |
| Enclosure Material | Plastic |
| Brand | SazkJere |
| Keyboard Description | Numeric |
| Built-In Media | 2PCS 16Keys External Keypad Board |
| Unit Count | 2 Count |
| Manufacturer | SazkJere |
| Number of Packs | 2 |
| Number of Items | 2 |
| Mfr Part Number | SJ64CX2-16key |
| Special Feature | Lightweight |
| Style | 16Keys |
| Material | Plastic |
| Included Components | 2PCS 16Keys External Keypad Board |
| Item Weight | 0.05 lbs (20 grams) |
What's in the box
2PCS 16Keys External Keypad Board
Who Should Buy?
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Arduino Enthusiasts
Ideal for users building interactive projects with microcontrollers like Arduino, enabling easy input configuration.
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DIY Electronics
Perfect for hobbyists creating custom control panels and user interfaces in their DIY electronics projects.
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Robotics Projects
Essential for robotics applications, allowing for user interaction and control via its compact keypad design.
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Non-technical Users
Not suitable for users without programming knowledge, as proper setup requires understanding of electronics and coding.
Product Description
Customer Questions & Answers
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Question:
What is a 16 keys matrix keypad?
Answer: A 16 keys matrix keypad is a compact input device arranged in a 4x4 grid, featuring 16 buttons that can be used in various electronic projects. This keypad operates in a matrix configuration, allowing the microcontroller to manage input effectively with fewer pins. It's particularly useful for applications like security systems, automation projects, and DIY electronics, enabling users to input codes or commands seamlessly. -
Question:
How do I connect the matrix keypad to a microcontroller?
Answer: Connecting the matrix keypad to your microcontroller involves wiring the pins from the keypad to the appropriate pins on the controller. Each keypress completes a circuit, allowing the microcontroller to detect which button has been pressed. Typically, you'll connect the output pins in a staggered pattern to the input pins on your microcontroller. A common scenario is using it with Arduino to create projects like home automation systems or simple games. -
Question:
What are the typical applications of a 16 keys matrix keypad?
Answer: The 16 keys matrix keypad is widely used in various applications, including home automation, control systems, and embedded projects. It is particularly advantageous for creating user interfaces for devices that require numeric or alphanumeric input, such as security alarms, digital door locks, and industrial control panels. This versatility makes it a staple for hobbyists and professionals alike, providing a straightforward solution for interactive projects. -
Question:
Is the keypad suitable for beginners in electronics?
Answer: Yes, the 16 keys matrix keypad is an excellent choice for beginners venturing into electronics. Its straightforward design and common usage in projects make it an ideal starting point. Tutorials and resources are readily available, helping newcomers learn about interfacing keypads with microcontrollers such as Arduino and Raspberry Pi, paving the way for engaging DIY projects and helping them to build their programming skills. -
Question:
Can the keypad be used in conjunction with other components?
Answer: Absolutely! The 16 keys matrix keypad can easily be integrated with other components such as LCD displays, buzzers, and sensors, enhancing its functionality. For example, when paired with an LCD, it can be used to create a user-friendly interface that displays input options and messages. This opens up a world of possibilities for home automation projects, user authentication systems, or educational tools. -
Question:
What voltage does the matrix keypad operate on?
Answer: The 16 keys matrix keypad typically operates at a voltage range of 3.3V to 5V, making it compatible with most microcontrollers, including Arduino boards. This low-voltage requirement ensures safety and efficiency in various electronic setups. Users can easily connect it to battery power supplies or existing electronic setups, providing greater flexibility when designing their projects. -
Question:
Are there libraries available for programming the matrix keypad?
Answer: Yes, there are several libraries available that simplify programming the 16 keys matrix keypad. For example, the Keypad library for Arduino allows programmers to easily read inputs from the keypad. This library provides functions that handle the logic required to determine which button is pressed, streamlining the development process and enabling developers to focus on the main functionality of their projects. -
Question:
How durable is the 16 keys matrix keypad?
Answer: The 16 keys matrix keypad is generally designed for durability, featuring high-quality materials that can withstand repeated use. The buttons are specifically engineered to endure frequent pressing, making it suitable for rigorous applications such as vending machines and industrial controls. This robustness ensures that it can perform consistently over an extended period, providing reliable user input without compromise. -
Question:
What makes the welded pin header advantageous?
Answer: The welded pin header on the 16 keys matrix keypad offers significant advantages, such as ensuring secure and stable connections with your microcontroller. This pre-assembled feature minimizes the risk of loose connections and saves installation time. For applications in robotics or automation, having reliable connectivity is critical, as it enhances the responsiveness and performance of the entire system. -
Question:
Where can I buy 2PCS 16 Keys Matrix Keypad in Turks and Caicos?
Answer: You can buy the 2PCS 16 Keys Matrix Keypad from Ubuy. Ubuy offers a wide selection of electronic components, including this keypad, making it a reliable source for your electronics projects. Whether you’re a hobbyist or a professional, shopping at Ubuy ensures you receive quality products and customer support for your purchases.
SazkJere Access-Control Keypads Editorial Review
The 2PCS 16 Keys Matrix Keypad 16 Keyboard Module 4x4 Buttons External Keypad Board is designed with 16 keys, making it ideal for various MCU applications. Its lightweight plastic construction ensures easy integration into projects, while the wired power source adds reliability. Reviewers have noted its excellent build quality and compatibility with different devices, enhancing its usability for innovative projects. Questions frequently asked include compatibility with specific microcontrollers, confirming its versatility in electronic designs. Users appreciate the ease of use due to the clearly laid out key configuration, allowing for straightforward implementation in both beginner and advanced setups.
Customer Reviews & Ratings
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5 Star
61%
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4 Star
39%
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3 Star
0%
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2 Star
0%
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1 Star
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Pros
- Lightweight design for easy handling
- Compatible with various MCUs
- Reliable wired power source
- Includes two keypad modules per pack
- Clear key layout for user-friendly experience
Cons
- Plastic material may feel less durable over time
Platform Trust & Buyer Confidence
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USD 20
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Features & Benefits
- Compact design: measures 6.8*6.5*1cm and weighs only 24g.
- Features 16 keys including numbers 0-9, letters A-D, and function keys.
- Easy installation with welded pin header, no manual soldering required.
- Quick integration with any microcontroller for seamless project development.
- Versatile applications: perfect for password systems, gate locks, and more.
- Enhances your electronic projects with user-friendly controls.
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