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Sản phẩm #:
220387865
2PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller (3x4 Key)
81% of respondents would recommend this to a friend
Sản phẩm #:
220387865
VND 464071
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from Hoa Kỳ
0 ratings
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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 Hoa Kỳ store (110-120). Recommended power converters Mua ngay.
What Stands Out
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.
Thông tin chi tiết sản phẩm
| Compatible Devices | PC |
| Connectivity Technology | USB-A |
| Additional Features | Lightweight |
| Power Source | USB Powered |
| Hand Orientation | Ambidextrous |
| Compatible Operating System Family | Windows |
| Number of Keys | 12 |
| Style Name | 12Key |
| Theme | Number |
| Enclosure Material | Plastic |
| Brand | SazkJere |
| Keyboard Description | Number Pad |
| Antenna Location | Office |
| Built-In Media | 2PCS Matrix Keypad |
| Model Number | 3x4 key |
| Unit Count | 2 Count |
| Manufacturer | SazkJere |
| Number of Packs | 2 |
| Number of Items | 2 |
| Mfr Part Number | SJ64X4 |
| Recommended Uses For Product | Office |
| Special Feature | Lightweight |
| Style | 12Key |
| Material | Plastic |
| Included Components | 2PCS Matrix Keypad |
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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Microcontroller Projects
Ideal for hobbyists building Arduino or Raspberry Pi projects requiring user input through a keypad.
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Educational Purposes
Great for students learning about electronics and programming, offering hands-on experience with input devices.
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DIY Electronics
Perfect for DIY enthusiasts creating custom devices needing a compact input method for commands.
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Complex Applications
Not suitable for advanced projects requiring detailed data entry or complex user interfaces beyond simple numeric input.
MÔ TẢ SẢN PHẨM
2PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller (3x4 Key)
Có thắc mắc? Trò chuyện với chúng tôi
Câu hỏi và trả lời của khách hàng
-
câu hỏi:
What is a 4x4 matrix keypad and how does it work?
trả lời: A 4x4 matrix keypad consists of 16 individual keys arranged in a grid format, allowing users to input data into a microcontroller efficiently. It operates by connecting rows and columns, which means when a key is pressed, it forms a circuit that can be detected by the connected hardware. This allows microcontrollers to capture specific inputs quickly. Popular use cases include DIY electronics projects, home automation systems, and custom keypad interfaces for embedded applications. -
câu hỏi:
Can I use the 4x4 matrix keypad with any microcontroller?
trả lời: Yes, the 4x4 matrix keypad is compatible with a wide range of microcontrollers, including Arduino, Raspberry Pi, and other development boards. To integrate it, you'll need to follow a specific wiring setup and utilize libraries that facilitate communication between the keypad and your microcontroller. This versatility makes it an ideal choice for hobbyists creating projects such as security systems, ATM interfaces, or custom gaming controls. -
câu hỏi:
What are the dimensions of the 4x4 matrix keypad?
trả lời: The typical dimensions of a 4x4 matrix keypad panel are approximately 4.5cm x 4.5cm. However, actual size can vary slightly by manufacturer. The compact size allows for easy integration into various projects without taking up too much space. This is especially beneficial for embedded systems or handheld devices where maintaining a small footprint is crucial. -
câu hỏi:
Is there any specific coding required to program the keypad?
trả lời: Programming the 4x4 matrix keypad typically involves using a library suited for the microcontroller you’re working with. For example, if using Arduino, you can leverage libraries such as Keypad.h, which simplifies the process of reading key presses. The code allows you to map keys to specific functions or commands in your project, which can be particularly useful in creating interactive applications like menu navigations or password entry systems. -
câu hỏi:
What materials are 4x4 matrix keypads made from?
trả lời: 4x4 matrix keypads usually feature a plastic panel with conductive material for the key switches. This design ensures durability and the ability to withstand frequent use in various applications. The underlying technology typically employs a membrane switch that reacts when a key is pressed, making it suitable for projects ranging from basic controls to complex user interfaces in electronics. -
câu hỏi:
Is the 4x4 matrix keypad water-resistant?
trả lời: Standard 4x4 matrix keypads are not inherently water-resistant unless stated by the manufacturer. If you're using it in environments where moisture is a concern, consider using protective casings or exploring specialized models designed for outdoor or industrial applications. This ensures the longevity of your project, particularly in environments such as kitchens, outdoor setups, or industrial controls. -
câu hỏi:
What projects can I use the 4x4 matrix keypad for?
trả lời: The 4x4 matrix keypad is versatile and can be utilized in various projects including security alarm systems, smart home controls, and interactive kiosks. It can also be implemented in educational kits for teaching programming and electronic principles. The ability to customize key functions makes it highly adaptable to numerous applications, allowing users to create unique user interfaces tailored to specific needs. -
câu hỏi:
Are there any similar products to the 4x4 matrix keypad?
trả lời: Yes, there are several alternatives to the 4x4 matrix keypad including 3x4 keypads, 4x3 keypads, and touchscreen interfaces. Each comes with its advantages depending on the complexity and type of input required. For instance, touchscreen interfaces might offer more flexibility for a wider range of inputs and custom designs, while a smaller keypad may fit better in projects where space is limited. -
câu hỏi:
Can the 4x4 matrix keypad be used with a breadboard?
trả lời: Absolutely! The 4x4 matrix keypad can easily be utilized with a breadboard. It typically has header pins that can be connected to the breadboard for prototyping. This compatibility allows for straightforward setup and testing of your microcontroller projects before moving on to permanent designs. Whether you're creating a simple project or a more intricate system, a breadboard facilitates modular development. -
câu hỏi:
Where can I buy 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key) in Vietnam?
trả lời: You can purchase the 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller from Ubuy in Vietnam. Ubuy offers a convenient shopping experience with a user-friendly interface, ensuring you find what you need quickly. They often provide competitive options and reliable delivery, making it a solid choice for obtaining electronics and components.
SazkJere Access-Control Keypads 3x4 key Editorial Review
The 2PCS 4x4 Matrix Keypad 16 Keyboard Module is designed to enhance microcontroller projects, offering a compact and efficient input device. This external keypad board features 16 tactile keys arranged in a 4x4 matrix layout, making it easy to enter commands or data. Users appreciate its straightforward integration with various microcontroller platforms, allowing for seamless application in DIY electronics projects. The keypad's robust design ensures durability and reliability over time, making it suitable for both beginners and experienced hobbyists looking to expand their projects with an interactive interface.
Customer Reviews & Ratings
1 điểm của khách hàng
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5 sao
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ưu
- Compact design for easy integration in projects
- Durable construction suitable for long-term use
- User-friendly interface with 16 keys
- Great for microcontroller-based applications
- Perfect for DIY electronic projects
Nhược điểm
- Requires some familiarity with microcontroller programming
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VND 464071
Đặt hàng ngay bây giờ và nhận hàng vào khoảng Monday, Tháng 9 28
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Các tính năng và lợi ích
- 4x4 matrix design with 16 keys for versatile input.
- Includes numbers 0-9, letters A-D, and symbols * and #.
- Compact size (6.8*6.5*1cm) and lightweight (24g) for easy integration.
- Perfect for various applications like password security and gate locks.
- Simple communication with any microcontroller for hassle-free setup.
- Comes with 2 keypad modules for added value.
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