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物品 #:
139318612
4x4 Matrixes Button Keyboard Keypad Array Modules ABS Keys 4x4 16 Key Button Membrane Button
物品 #:
139318612
HKD 135
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
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現在訂購，約可在下列時間收貨： 星期六, 九月 12
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Quickly add control to your electronics projects with this compact 4x4 Keypad Matrix.
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Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.
What Stands Out
Compact Design
The 4x4 matrix layout enables efficient use of space, making it ideal for projects where size is a constraint, such as handheld devices or compact control panels.
Durable Material
Constructed from high-quality ABS plastic, this keypad array ensures long-lasting performance, providing reliability in demanding environments and extensive usage over time.
Versatile Applications
This keypad module is perfect for various applications, including calculators, embedded systems, and user interfaces, adapting to diverse electronic projects with ease.
產品詳情
| Date First Available | November 6, 2024 |
| Manufacturer | BAIMOQI |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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DIY Electronics Hobbyists
Ideal for building custom interfaces and control systems in various electronic projects and prototypes.
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Educational Uses
Great for teaching programming and electronics concepts in classrooms and workshops, facilitating hands-on learning.
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Embedded System Developers
Useful for integrating into microcontroller projects needing a compact input solution for user commands.
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Gaming Keyboards
Not suitable for gaming due to lack of tactile feedback and durability compared to specialized gaming keypads.
產品敘述
4x4 Matrixes Button Keyboard Keypad Array Modules ABS Keys 4x4 16 Key Button Membrane Button
有疑問？ 與我們聊天
客戶問題＆回答
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題:
What is a 4x4 matrix keypad?
回答: A 4x4 matrix keypad is an input device consisting of 16 keys arranged in a 4 row by 4 column configuration. It allows for multiple keys to be pressed simultaneously, enabling complex input for microcontroller projects. This design is particularly effective for compact spaces where more input options are needed. Common use cases include home automation systems, DIY electronics projects, and embedded device controls. -
題:
How does a matrix keypad work?
回答: A matrix keypad operates by connecting rows and columns of keys in a grid pattern. When a key is pressed, it creates a connection between a specific row and column, allowing a microcontroller to detect which key was activated. This method minimizes wiring complexity, making it a preferred choice for projects requiring numerous input options. It's widely used in calculators, electronic locks, and interactive devices. -
題:
What materials are used in the construction of this keypad?
回答: The 4x4 matrix keypad is typically constructed from durable ABS plastic, which provides excellent resilience against wear and tear. The buttons are designed to be tactile, ensuring a responsive feel when pressed. This robust construction makes it suitable for both industrial and home applications, such as remote controls or custom user interfaces, ensuring they withstand daily usage. -
題:
Can I use the keypad with Arduino or Raspberry Pi?
回答: Yes, the 4x4 matrix keypad is compatible with Arduino and Raspberry Pi platforms. These microcontrollers provide libraries that simplify the integration process. For example, using the Keypad library in Arduino allows easy handling of input, making it ideal for projects like data entry interfaces or security systems. Tutorials and community support are widely available for effective implementation. -
題:
What are common applications for a 4x4 matrix keypad?
回答: Common applications for a 4x4 matrix keypad include security systems, home automation projects, digital calculators, and various interactive interfaces. They are often employed in IoT devices for user input, allowing users to control settings or provide commands easily. Their versatility and compact size make them ideal for projects that require a user-friendly interface. -
題:
Is the keypad suitable for outdoor use?
回答: The 4x4 matrix keypad is primarily designed for indoor use due to its ABS plastic construction, which can be susceptible to environmental factors when exposed directly to elements. However, in a controlled outdoor environment or with proper enclosure, it can function satisfactorily. Consider using an acrylic or waterproof housing if outdoor placement is required to protect against moisture and dust. -
題:
How do I connect the keypad to a microcontroller?
回答: To connect the 4x4 matrix keypad to a microcontroller, follow a simple wiring scheme where the keypad's rows and columns are connected to corresponding GPIO pins on the microcontroller. A library, such as the Keypad library for Arduino, can simplify reading inputs. This setup allows for customizable interaction in various projects, such as user interfaces or as a control panel for devices. -
題:
Does the keypad require any specific software to function?
回答: While the 4x4 matrix keypad does not require specialized software to function, using microcontroller libraries such as Keypad for Arduino significantly enhances usability. These libraries handle the logic required to detect key presses efficiently. This streamlines development for applications ranging from simple input devices to complex microcontroller projects. -
題:
What is the difference between a matrix keypad and a regular push-button keypad?
回答: The primary difference between a matrix keypad and a regular push-button keypad lies in their wiring efficiency. A matrix keypad can detect multiple button presses through a grid layout, minimizing wiring needs. In contrast, a regular keypad typically requires a separate wire for each button, resulting in a more complex setup. This advantage makes matrix keypads particularly beneficial for compact projects. -
題:
Where can I buy a 4x4 matrix keypad in Hong Kong?
回答: You can purchase the 4x4 Matrixes Button Keyboard Keypad Array Modules with ABS Keys from Ubuy. They offer a user-friendly platform for online shopping and have a variety of electronic components available, including this keypad. Simply visit Ubuy's website, and search for the product to explore options that suit your needs.
BAIMOQI Access-Control Keypads Editorial Review
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HKD 135
現在訂購，約可在下列時間收貨： 星期六, 九月 12
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特色和優勢
- 16-button matrix keypad suitable for various electronic projects.
- Easy plug-and-play installation with no need for wire splicing.
- Compact design for convenience in alarm devices and control modules.
- Durable ABS and metal construction ensures longevity.
- Ideal for DIY enthusiasts and professionals alike.
- Perfect for enhancing project control with minimal space required.
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