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Sản phẩm #:
90229005
4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino
90% of respondents would recommend this to a friend
Sản phẩm #:
90229005
VND 421249
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
Trong kho
Đã nhập từ cửa hàng USA
Đặt hàng ngay bây giờ và nhận hàng vào khoảng Thứ Năm, Tháng 9 24
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Enhance your projects with our reliable 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane switch, perfect for Arduino control panels!
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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 4x5 matrix layout ensures space-saving efficiency, making it ideal for projects where board real estate is limited, while still providing 20 functional keys for extensive control.
Versatile Compatibility
Designed for seamless integration with Arduino and similar platforms, it allows hobbyists and developers to easily implement advanced user interfaces in their electronic projects.
Durable Performance
Constructed with high-quality materials, this membrane switch boasts longevity and resilience under regular use, ensuring reliable operation in various environments and applications.
Thông tin chi tiết sản phẩm
| Compatible Devices | PC |
| Connectivity Technology | USB |
| Power Source | DC power supply or AC adapter |
| Switch Type | Membrane |
| Keyboard Layout | QWERTY |
| Hand Orientation | Ambidextrous |
| Button Quantity | 20 |
| Number of Keys | 20 |
| Style Name | Contemporary |
| Enclosure Material | Acrylonitrile Butadiene Styrene |
| Brand | daier |
| Keyboard Description | Membrane |
| Built-In Media | Inc |
| Model Number | A572 |
| Unit Count | 4 Count |
| Manufacturer | daier |
| Number of Items | 4 |
| Mfr Part Number | A572 |
| Style | Contemporary |
| Material | Acrylonitrile Butadiene Styrene |
| Included Components | Inc |
| Keyboard layout | QWERTY |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
-
Arduino Enthusiasts
Perfect for developers wanting to create interactive projects with easy input methods using Arduino microcontrollers.
-
DIY Projects
Ideal for hobbyists needing a reliable keypad for home automation or custom electronic creations.
-
Learning Purposes
Great for students and educators looking for practical components to learn about electronics and coding.
-
Professional Applications
Not suitable for high-end industrial applications requiring durable and robust keypad interfaces.
MÔ TẢ SẢN PHẨM
4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino
Có thắc mắc? Trò chuyện với chúng tôi
Câu hỏi và trả lời của khách hàng
-
câu hỏi:
What is a 4x5 keys matrix array keypad?
trả lời: A 4x5 keys matrix array keypad is a type of input device that consists of 20 individual keys arranged in a grid format, allowing for efficient space and wiring management. This design enables multiple key presses to be registered using fewer input pins than separate connections for each key. It’s particularly useful in projects requiring numeric input or control functions, such as Arduino projects, smart appliances, and robotics. -
câu hỏi:
How do I connect a 4x5 matrix keypad to an Arduino?
trả lời: To connect a 4x5 matrix keypad to an Arduino, you will typically connect the rows and columns of the keypad to the digital pins on the Arduino. Use a library like Keypad for easy handling of inputs. This setup allows the Arduino to read which key is pressed by scanning through rows and columns. This is an excellent method for creating user interfaces and control panels in electronics projects. -
câu hỏi:
Can I use this keypad for gaming applications?
trả lời: Yes, the 4x5 matrix keypad can be effectively used in gaming applications. By programming the Arduino to recognize specific key presses as game controls, you can create a custom gaming interface tailored to your needs. This is perfect for projects like DIY arcade systems or handheld gaming consoles, where space efficiency and immediate access to controls are crucial. -
câu hỏi:
Is it compatible with other microcontrollers besides Arduino?
trả lời: Absolutely! The 4x5 matrix keypad is compatible with various microcontrollers like Raspberry Pi, ESP8266, and others. You may need to adjust the wiring and possibly modify your code, but the basic principle of scanning through rows and columns remains the same. This versatility makes it ideal for multiple projects across different platforms, from DIY electronics to smart home systems. -
câu hỏi:
What are some practical applications for the keypad?
trả lời: The 4x5 keypad is widely used in various applications, including security systems, home automation controls, and numerical entry systems. For instance, you can use it as a user interface for entering codes in alarm systems or as a remote control for smart appliances. Additionally, it can serve educational purposes in programming classes for teaching students about input handling in coding. -
câu hỏi:
How does the membrane switch work?
trả lời: The membrane switch works through layers of flexible material and conductive traces that complete a circuit when pressed. Each key has a designated circuit that the controller detects when activated. This technology is beneficial for its low profile and sealed design, making it ideal for applications where durability and cleanliness are essential, such as in industrial controls and consumer electronics. -
câu hỏi:
How durable is the keypad's membrane?
trả lời: The membrane of the 4x5 matrix keypad is designed to be durable and resist wear from regular use. It typically features a protective layer that guards against dust, moisture, and abrasion, thus maintaining its functionality over time. This durability makes it suitable for applications in harsh environments, such as manufacturing or outdoor installations. -
câu hỏi:
Can I create a custom keypad layout?
trả lời: Yes, you can create a custom layout for the 4x5 matrix keypad using the Arduino or other microcontrollers. By reassigning the key codes in your programming, you can change which keys trigger certain functions or inputs. This flexibility allows developers to tailor the keypad layout to specific applications, enhancing user experience and accessibility. -
câu hỏi:
What makes this keypad more efficient than traditional buttons?
trả lời: The 4x5 matrix keypad offers significant efficiency compared to traditional buttons by reducing the number of input pins required for multiple keys. This allows for a compact design and simplifies wiring in circuits, which is especially useful in space-constrained projects. Additionally, the tactile feedback from the membrane can improve usability in interactive applications. -
câu hỏi:
Where can I buy 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino?
trả lời: You can purchase the 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino at Ubuy, a reliable online shopping platform that offers a wide range of electronic components and accessories. They provide swift access to various products, making it easy to find what you need for your projects.
daier Access-Control Keypads A572 Editorial Review
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Customer Reviews & Ratings
1 điểm của khách hàng
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5 sao
0%
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4 sao
100%
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2 sao
0%
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1 sao
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Đánh giá sản phẩm này
Chia sẻ suy nghĩ của bạn với các khách hàng khác
ưu
- Easy to use with Arduino
- Compact design saves space
- Responsive keypress feedback
- Durable membrane material
Nhược điểm
- Keypad layout might be confusing initially.
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VND 421249
Đặt hàng ngay bây giờ và nhận hàng vào khoảng Thứ Năm, Tháng 9 24
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Các tính năng và lợi ích
- Includes 4 pieces of 4x5 keys matrix array keypads.
- Ideal for Arduino control panel projects.
- High insulation resistance of 100M Ω at 100V.
- Withstands voltage up to 250V Rms.
- Operates in a wide temperature range of +15℃ to +35℃.
- Suitable for storage in humidity levels of 70% to 90%.
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