- Página de inicio /
- Electrónica /
- Security & Surveillance /
- Accesorios /
- Access-Control Keypads /
- 2PCS 4x4 Matrix Keypad 16 Keyboard Module Ext...
0 ratings
Nº de artículo:
138697340
2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key
Nº de artículo:
138697340
GTQ 139
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from Estados Unidos
0 ratings
Escribe una opinión
En stock
Importado de la tienda USA
QTY:
Haz tu pedido ahora y recíbelo por ahí Sábado, Julio 11
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The keyboard matrix allows you to quickly add controls to your electronic projects.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
What Stands Out
Compact Design
Space-saving 4x4 matrix layout allows easy integration into various projects, making it ideal for DIY and professional applications.
Versatile Compatibility
Designed to be compatible with multiple microcontrollers, this keypad module enhances its usability across different platforms and projects.
Reliable Performance
Utilizes high-quality materials for consistent performance, ensuring durability and responsiveness during long-term use in diverse environments.
Detalles de producto
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Hobbyist Programmers
Ideal for hobbyists creating interactive prototypes or projects that require user input via a keypad interface.
-
Educational Purposes
Great for students learning about microcontrollers and basic electronics, providing hands-on experience with input devices.
-
DIY Electronics Projects
Perfect for DIY enthusiasts building custom devices like alarm systems or robotic controls that need numeric input.
-
Professional Applications
Not suitable for high-reliability applications where robust input devices are required in industrial settings.
-
Large Scale Production
Less ideal for mass production projects due to potential variability in module qualities and untested integration.
-
Mobile Device Integration
Not recommended for mobile devices where compactness and touch interfaces are more practical and user-friendly.
DESCRIPCIÓN DEL PRODUCTO
2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller 4x4 Key
¿Tienes alguna consulta? Chatea con nosotros
Preguntas y respuestas de los clientes
-
Pregunta:
What is a 4x4 matrix keypad and how does it work?
Respuesta: 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. -
Pregunta:
Can I use the 4x4 matrix keypad with any microcontroller?
Respuesta: 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. -
Pregunta:
What are the dimensions of the 4x4 matrix keypad?
Respuesta: 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. -
Pregunta:
Is there any specific coding required to program the keypad?
Respuesta: 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. -
Pregunta:
What materials are 4x4 matrix keypads made from?
Respuesta: 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. -
Pregunta:
Is the 4x4 matrix keypad water-resistant?
Respuesta: 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. -
Pregunta:
What projects can I use the 4x4 matrix keypad for?
Respuesta: 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. -
Pregunta:
Are there any similar products to the 4x4 matrix keypad?
Respuesta: 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. -
Pregunta:
Can the 4x4 matrix keypad be used with a breadboard?
Respuesta: 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. -
Pregunta:
Where can I buy 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key) in Guatemala?
Respuesta: You can purchase the 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller from Ubuy in Guatemala. 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 Editorial Review
No se encontraron reseñas editoriales
Customer Reviews & Ratings
1 valoraciones de los clientes
-
5 estrella
100%
-
4 estrella
0%
-
3 estrella
0%
-
2 estrella
0%
-
1 estrella
0%
Revisar este producto
Comparte tus ideas con otros clientes
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Pago seguro
Global Delivery
Easy Returns
Genuine Products
Product Price History
Información importante
- Limitaciones: Para los productos enviados al extranjero, ten en cuenta que cualquier garantía del fabricante puede no ser válida; las opciones de servicio del fabricante pueden no estar disponibles; los manuales del producto, las instrucciones y las advertencias de seguridad pueden no estar en los idiomas del país de destino; los productos (y los materiales que los acompañan) pueden no estar diseñados de acuerdo con las normas, especificaciones y requisitos de etiquetado del país de destino; y los productos pueden no ajustarse al voltaje del país de destino y a otras normas eléctricas (lo que requiere el uso de un adaptador o convertidor, si procede). El destinatario es responsable de asegurarse de que el producto puede ser importado legalmente al país de destino. Cuando hagas un pedido a Ubuy o a sus filiales, el destinatario es el importador registrado y debe cumplir todas las leyes y normativas del país de destino.
- No todos los productos que aparecen en Ubuy están a la venta, ya que Ubuy es un motor de búsqueda a nivel mundial. Los productos están sujetos a las normas de exportación/comercio.
GTQ 139
Haz tu pedido ahora y recíbelo por ahí Sábado, Julio 11
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
características y beneficios
- 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.