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Sản phẩm #:
137464668
QMQJIA 3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
Sản phẩm #:
137464668
VND 299700
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from Hoa Kỳ
0 ratings
Viết đánh giá
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Đặt hàng ngay bây giờ và nhận hàng vào khoảng Sunday, Tháng 10 18
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This 4x3 Keypad Matrix lets you quickly add control to your electronics 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 3x4 matrix layout offers a space-saving solution for various projects, making it ideal for DIY enthusiasts and electronic developers seeking efficient interface options.
User-Friendly
Easy to install and integrate with microcontrollers, this keypad module simplifies user interfaces, enhancing accessibility for novice and experienced developers alike, ensuring a smooth project experience.
High Durability
Constructed with quality membrane materials, this keypad is designed for long-term use, effectively resisting wear and tear, ensuring reliability for continuous electronic applications.
Thông tin chi tiết sản phẩm
| Power Source | Wired |
| Switch Type | Membrane |
| Hand Orientation | Ambidextrous |
| Button Quantity | 12 |
| Water Resistance Level | Not Water Resistant |
| Number of Keys | 12 |
| Number of Sections | 1 |
| Color | Black |
| Style Name | Modern |
| Theme | Number |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
| Brand | QMQJIA |
| Keyboard Description | Membrane |
| Antenna Location | Office |
| Built-In Media | 1 x USB Cable |
| Model Number | d07acc43-3297-4cf8-8cde-16f507980db1 |
| Manufacturer | QMQJIA |
| Mfr Part Number | QMQJIA |
| Recommended Uses For Product | Office |
| Style | Modern |
| Material | Acrylonitrile Butadiene Styrene |
| Included Components | 1 x USB Cable |
| Item Weight | 0.3 lbs (140 grams) |
Who Should Buy?
-
DIY Electronics Enthusiasts
Ideal for hobbyists creating personal electronic projects requiring multiple inputs through a simple interface.
-
Education Purposes
Perfect for teachers and students focused on learning programming and electronics concepts through hands-on activities.
-
Embedded System Developers
Useful for developers needing an efficient keypad for microcontroller-based projects, facilitating user interactions easily.
-
Professional Applications
Not suitable for high-demand environments requiring robust, durable, and reliable input devices with high performance.
MÔ TẢ SẢN PHẨM
QMQJIA 3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
Có thắc mắc? Trò chuyện với chúng tôi
Câu hỏi và trả lời của khách hàng
-
câu hỏi:
What is the 3x4 Matrixes Array 12 Button Keypad Keyboard Module used for?
trả lời: The 3x4 Matrixes Array 12 Button Keypad Keyboard Module is primarily used for inputting data in various electronic projects. It acts as an interface for microcontrollers like Arduino, allowing users to collect numeric or alphanumeric inputs through its 12 buttons. This keypad is essential in DIY kits for projects such as alarm systems, door access controls, or simple calculators, providing an efficient way to enter commands easily. -
câu hỏi:
How do I connect the 12 Button Keypad to my microcontroller?
trả lời: Connecting the 12 Button Keypad to a microcontroller involves using a few GPIO pins. The module typically has 8 pins: 3 columns and 4 rows. You’ll connect the row pins to the microcontroller pins configured as inputs and the column pins to outputs. With coding, you can read the key presses by scanning through the rows and columns, making it easy to register the button presses in your projects. This setup is widely used in hobbyist electronics. -
câu hỏi:
Can I use this keypad module in projects with Raspberry Pi?
trả lời: Yes, the 3x4 Matrixes Array 12 Button Keypad is compatible with Raspberry Pi. You can utilize the GPIO pins to set it up similarly to how it’s connected with other microcontrollers. With the right libraries and code, you can easily capture button presses to control various peripherals or run programs. This compatibility expands your DIY project options and enhances interactive functionalities in your Raspberry Pi applications. -
câu hỏi:
What programming languages can I use with this keypad?
trả lời: You can use multiple programming languages with the 12 Button Keypad, including C/C++ for Arduino, Python for Raspberry Pi, and similar languages that support GPIO interfacing. Depending on your microcontroller, libraries such as Keypad for Arduino or RPi.GPIO for Raspberry Pi can be employed to make interaction with the keypad straightforward. This versatility allows you to implement the keypad into different environments and projects, enhancing your learning and creativity in coding. -
câu hỏi:
What type of projects can I create using the 12 Button Keypad?
trả lời: The 12 Button Keypad Module is very versatile, suited for projects like security systems, access control panels, simple games, and more. For instance, you can build a digital lock that requires a number code to unlock or create a budget tracker that uses the keypad for inputting expenses. Additionally, it's often used in educational robotics to enhance user input options, making it suitable for beginners learning about electronics. -
câu hỏi:
Is the 12 Button Keypad compatible with Arduino?
trả lời: Yes, the 3x4 Matrixes Array 12 Button Keypad is highly compatible with Arduino boards. This makes it an excellent component for projects that require user input. You can easily integrate it into your Arduino projects using existing libraries to manage button states effortlessly. This compatibility opens up numerous possibilities for student projects, prototypes, or any DIY electronics application that requires a keypad interface. -
câu hỏi:
Can this keypad handle multiple button presses at once?
trả lời: The 12 Button Keypad typically does not support multiple simultaneous key presses due to its matrix layout. When several keys are pressed, the electrical signals can cause ghosting, resulting in incorrect readings. To handle this, you might need to implement additional circuitry or choose more advanced keypads designed to handle N-key rollover if multiple inputs are a critical requirement in your project. -
câu hỏi:
What is the size of the 12 Button Keypad module?
trả lời: The 3x4 Matrixes Array 12 Button Keypad is compact, often measuring around 4x4 cm. This small size allows it to fit easily into various projects without taking up much space. You can incorporate it seamlessly into enclosures or control panels where space is a concern, making it ideal for miniature devices or complex projects that require a user interface without expanding the overall dimensions. -
câu hỏi:
How sensitive are the buttons on the keypad?
trả lời: The buttons on the 12 Button Keypad are designed for a responsive user experience. They typically require a light touch to activate, ensuring user-friendly interaction. The sensitivity makes it suitable for a range of applications, whether you’re designing a simple game controller or a numeric input device. Users generally appreciate the tactile feedback, enhancing usability in interactive projects. -
câu hỏi:
Where can I buy the 12 Button Keypad in Vietnam?
trả lời: You can purchase the 3x4 Matrixes Array 12 Button Keypad Keyboard Module from Ubuy, which offers a convenient online shopping experience focused on various electronic components. They provide a wide selection of DIY kits and electronic parts, making it an ideal choice for hobbyists and professionals looking to enhance their projects with quality components.
QMQJIA Access-Control Keypads d07acc43-3297-4cf8-8cde-16f507980db1 Editorial Review
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VND 299700
Đặt hàng ngay bây giờ và nhận hàng vào khoảng Sunday, Tháng 10 18
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Các tính năng và lợi ích
- Compact design ideal for alarm/safety devices.
- Quickly integrate into electronics projects.
- Durable construction with plastic and metal materials.
- Direct replacement with simple plug-and-play installation.
- Perfect for access control and device management.
- Enhance your DIY electronics with a reliable keypad.
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