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- 4PCS 3x4 Matrix Keypad 12 Keyboard Module Ext...
منتج #:
100353309
4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key
منتج #:
100353309
SAR 84
تفاصيل السعر
باستثناء رسوم الشحن والجمارك ( سيتم احتساب رسوم الشحن والجمارك عند إتمام الشراء )
*سيتم استيراد جميع العناصر من أمريكا
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مستورد من متجر USA
كمية:
اطلب الآن واحصل عليه حول الإثنين, اغسطس 31
معاملة آمنة
تعمل يوباي جاهدة لحماية أمنك وخصوصيتك. يضمن نظام أمان الدفع المتقدم لدينا السرية من خلال تشفير معلوماتك أثناء النقل باستخدام بروتوكولات AES (معايير التشفير المتقدمة) وSSL (طبقة المنافذ الآمنة). تفاصيل الدفع الخاصة بك آمنة بنسبة %100 لأننا لا نشارك تفاصيل الدفع الخاصة بك مع بائعين تابعين لجهات خارجية
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The keyboard matrix allows you to quickly add controls to your electronic projects.
اشتر الآن وادفع لاحقاً
شحن
سريع
استرجاع
مجاني*
تغليف آمن
منتجات أصلية %100
الامتثال لمعيار PCI DSS
حاصل على شهادة ISO 27001
Note: Step Down Voltage Transformer required for using electronics products of أمريكا store (110-120). Recommended power converters اشتري الآن.
مايفيد
Compact Design
The 4PCS 3x4 Matrix Keypad is lightweight and space-efficient, making it ideal for embedded projects without adding bulk to your design.
Versatile Compatibility
Designed to easily integrate with various microcontrollers, this keypad supports multiple applications, enhancing versatility for development in electronics and robotics.
Durability
Built with high-quality materials, this keypad module ensures longevity and reliable performance, catering to harsh usage environments and frequent user interaction.
تفاصيل المنتج
| Compatible Devices | Microcontroller-compatible devices |
| Connectivity Technology | PS/2 |
| Number of Keys | 12 |
| Power Source | Wired |
| Switch Type | Mechanical |
| Keyboard Layout | QWERTY |
| Hand Orientation | Ambidextrous |
| Button Quantity | 12 |
| Style Name | 12Key |
| Theme | Number |
| Brand | SazkJere |
| Keyboard Description | Numeric |
| Built-In Media | 4PCS External Keypad Board |
| Model Number | SJ64X4 |
| Manufacturer | SazkJere |
| Unit Count | 4.0 Count |
| Enclosure Material | Plastic |
| Style | 12Key |
| Material | Plastic |
| Included Components | 4PCS External Keypad Board |
| Item Weight | 0.2 lbs (90 grams) |
من يجب أن يشتري؟
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Arduino Enthusiasts
Ideal for users who develop projects using Arduino microcontrollers needing simple input solutions.
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DIY Electronics Projects
Perfect for hobbyists integrating keypads in personal electronics projects like alarm systems or interactive displays.
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Students Learning Programming
Beneficial for students practicing coding and electronics, providing hands-on experience with input devices.
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Professional Developers
Not suitable for advanced developers requiring robust input solutions beyond basic keypads.
وصف المنتج
4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller 12Key
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أسئلة العملاء & الإجابات
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سؤال:
What is a 3x4 Matrix Keypad and how does it work?
إجابه: A 3x4 Matrix Keypad is an electronic component consisting of a grid of keys arranged in three rows and four columns, totaling 12 keys. Each key press is detected via a combination of row and column contacts that are connected to a microcontroller, facilitating user input for various applications. This setup allows for efficient scanning and minimizes the number of input pins needed for operation. Typical use cases include numeric inputs for devices like alarm systems, access control, or DIY electronics projects where a compact keypad interface is required. -
سؤال:
Can I use the 3x4 Matrix Keypad with different microcontrollers?
إجابه: Yes, the 3x4 Matrix Keypad is compatible with a variety of microcontrollers, including popular ones like Arduino, Raspberry Pi, and PIC. The wiring typically involves connecting row and column pins of the keypad to the GPIO pins of the microcontroller. Given its adaptability, this keypad can be utilized in projects ranging from home automation systems to robotics, allowing users to create custom interfaces for various applications. -
سؤال:
What types of projects can the 3x4 Matrix Keypad be used for?
إجابه: The 3x4 Matrix Keypad is versatile and can be employed in numerous electronics projects, such as alarm systems, code entry systems, remote controls, or as a user interface for embedded devices. By providing a straightforward way to input numbers or commands, hobbyists often incorporate it into Arduino-based projects or as a control panel for custom electronic designs, enhancing user interaction. -
سؤال:
How do I wire the 3x4 Matrix Keypad to my microcontroller?
إجابه: Wiring the 3x4 Matrix Keypad involves connecting its 7 pins to the GPIO pins of your microcontroller. Typically, the keypad has 3 pins for rows and 4 pins for columns. You can designate any 7 digital pins on your microcontroller for this purpose. After connecting, programming libraries such as Keypad for Arduino can simplify the process of detecting key presses. This method ensures that your electronic project remains efficient while involving minimal wiring complexity. -
سؤال:
What features should I look for in a keypad module?
إجابه: When selecting a keypad module, consider factors like key responsiveness, durability, size, and ease of integration with your existing components. A quality 3x4 Matrix Keypad will typically offer tactile feedback for each key press, ensuring a satisfying user experience. Moreover, compatibility with various microcontrollers and the availability of accompanying libraries can ease the development process for any electronic project you undertake. -
سؤال:
Is the 3x4 Matrix Keypad suitable for commercial applications?
إجابه: Yes, the 3x4 Matrix Keypad can be suitable for commercial applications, particularly in products requiring numeric input, like point-of-sale terminals, appliance controls, or industrial equipment interfaces. Its compact size and simplicity make it a cost-effective solution for integrating user inputs into various electronic systems, thus enhancing product functionality in commercial settings. -
سؤال:
How durable is the 3x4 Matrix Keypad?
إجابه: The durability of a 3x4 Matrix Keypad largely depends on its design and construction materials. Good quality keypads typically feature robust key switches and a well-designed substrate, allowing them to withstand frequent use. When used in applications that demand high reliability, such as security systems or user interfaces, selecting a keypad with proven durability is essential for maintaining operational integrity over time. -
سؤال:
Can I customize the key layout on my keypad?
إجابه: Yes, you can customize the key layout on a 3x4 Matrix Keypad during programming. By modifying the code used to read inputs, you can assign different functions or outputs to each key according to the requirements of your project. For instance, you might want to create a custom command sequence for a home automation system, allowing users to control lights or appliances easily. This flexibility makes it an ideal choice for tailored electronic projects. -
سؤال:
Is it beginner-friendly to work with the 3x4 Matrix Keypad?
إجابه: Absolutely! The 3x4 Matrix Keypad is designed for ease of use, making it suitable for beginners and seasoned developers alike. With tutorials readily available and libraries like the Keypad library for Arduino simplifying the coding process, newcomers can quickly learn to integrate this keypad into their projects. Whether you're creating your first electronic device or experimenting with more complex systems, it serves as a great introduction to keypad functionalities. -
سؤال:
Where can I buy the 4PCS 3x4 Matrix Keypad 12 Keyboard Module for Microcontroller in Saudi Arabia?
إجابه: You can purchase the 4PCS 3x4 Matrix Keypad 12 Keyboard Module for Microcontroller on Ubuy, a reliable online platform that offers a wide selection of electronic components and modules. Ubuy provides access to international shipping options, ensuring that you receive your keypads efficiently. Their user-friendly interface allows you to easily locate and order your required components for your projects.
SazkJere Access-Control Keypads SJ64X4 Editorial Review
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مراجعات العملاء وتقييماتهم
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إيجابيات
- Easy to interface with microcontrollers
- Compact and lightweight design
- Good build quality and durability
- Responsive key press feedback
- Versatile for various projects
سلبيات
- Limited key press detection accuracy
منصة موثوقة وثقة كاملة للمشتري
MA
Mekki
مشتري موثّق
“Arrive before time, excellent products”
9 July 2026 · عبر Trustpilot
FS
Farrah
مشتري موثّق
“A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”
25 June 2026 · عبر Trustpilot
AF
Anila
مشتري موثّق
“Good experience of shopping through Ubuy.”
16 June 2026 · عبر Trustpilot
MG
Mohamed
مشتري موثّق
“We feel very good about the delivery time, and the materials we received matched our order.”
14-Jul-26 · عبر Trustpilot
E
Essam
مشتري موثّق
“Perfect service and fast delivery.”
16-Jul-26 · عبر Trustpilot
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SAR 84
اطلب الآن واحصل عليه حول الإثنين, اغسطس 31
هذا المنتج غير ممنوع في بلدي. (الرجاء الضغط على الرابط أعلاه إذا لم يكن هذا المنتج ممنوعاً في بلدك ، لذلك سيقوم فريقنا بمراجعته والسماح به.)
كمية:
معاملة آمنة
نوفر لك مدفوعات مشفّرة، وحماية متكاملة للمشتري، مع الالتزام بمعايير PCI DSS وشهادة ISO 27001:2022 لضمان أعلى مستويات الأمان في كل عملية شراء.
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المميزات والفوائد
- 12-button keypad with numbers 0-9, *, and #.
- Compact size of 7*5*1 cm and lightweight at 19g.
- Easy integration with any microcontroller for seamless connectivity.
- Ideal for applications like password security systems and gate lock keypads.
- 3x4 matrix design for efficient input management.
- Includes 4 keypads for multiple project uses.
ضمان Ubuy
تسوّق بثقة مع منتجات أصلية %100، ومدفوعات آمنة متوافقة مع معيار PCI DSS، وحماية بيانات معتمدة وفق ISO 27001، وشحن دولي سريع، وإرجاع مجاني*، وتغليف آمن لكل طلب.