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Item #:
145698950
2PCS 4 x 4 Matrix Array 16 Keys 4 * 4 Switch Keypad Matrix Keyboard Module for Arduino keypad
76% of respondents would recommend this to a friend
Item #:
145698950
KES 2298
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This high quality 4x4 Keypad Matrix lets you quickly add controls to your electronics projects.
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What Stands Out
Compact Design
The 4x4 matrix layout ensures efficient space utilization, making it ideal for compact projects and DIY electronics involving Arduino integrations.
Easy Integration
Designed specifically for Arduino, the keypad module facilitates simple wiring and seamless programming, perfect for hobbyists and engineers alike.
Enhanced Reliability
Constructed with high-quality materials, this keypad provides superior durability and consistent performance, addressing user demands for a long-lasting and responsive input device.
Product Details
| Operating System | Linux |
| Processor Brand | ARM |
| Compatible Devices | Arduino, Raspberry Pi |
| RAM Memory Technology | LPDDR2 |
| Processor Count | 1 |
| Brand | GODIYMODULES |
| Built-In Media | 2pcs |
| Number of Packs | 2 |
| Number of Items | 2 |
| Unit Count | 2 Count |
| Manufacturer | GODIYMODULES |
| Included Components | 2pcs |
| CPU Manufacturer | ARM |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
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Arduino Enthusiasts
Ideal for hobbyists and developers creating interactive projects with Arduino boards and require a keypad interface.
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DIY Projects
Great for users looking to incorporate tactile input within custom builds like automation systems or gadgets.
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Learning Tool
Beneficial for students and beginners practicing programming skills related to embedded systems and electronics.
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Professional Use
May not satisfy reliability or durability needs for industrial applications requiring robust and high-performance keypads.
Product Description
2PCS 4 x 4 Matrix Array 16 Keys 4 * 4 Switch Keypad Matrix Keyboard Module for Arduino keypad
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a 4 x 4 matrix keypad and how does it work?
Answer: A 4 x 4 matrix keypad is a type of input device consisting of a matrix of switches arranged in rows and columns, allowing for 16 individual key inputs. When a key is pressed, it connects a specific row and column, sending a signal to a microcontroller such as Arduino to identify which key was pressed. This design is efficient, reducing the number of required input pins and simplifying the circuit. It's ideal for applications in security systems, user interfaces, and embedded systems where space and hardware limitations are crucial. -
Question:
What are the key features of this keypad module?
Answer: This 4 x 4 matrix keypad module features 16 tactile pushbuttons arranged in a grid, built with durable materials for long-lasting performance. It includes easy-to-access header pins for straightforward connection to Arduino boards, allowing for quick integration into projects. It's particularly beneficial for applications like home automation, gaming consoles, and custom control panels, enabling users to provide input in a compact and efficient manner. -
Question:
How do I connect the keypad to my Arduino?
Answer: To connect the 4 x 4 matrix keypad to your Arduino, you simply wire the row and column pins of the keypad to the digital pins on the Arduino. You can refer to the standard pin mapping configuration found in various online guides and tutorials, which typically outline the connections. Once wired, you can utilize libraries like 'Keypad.h' to facilitate communication between the Arduino and the keypad in your sketches, making it straightforward to read key presses and execute functions based on user input. -
Question:
Can this keypad be used in a Raspberry Pi project?
Answer: Yes, the 4 x 4 matrix keypad can be integrated into Raspberry Pi projects, enabling users to create interactive applications. The connection process is similar to that with Arduino; follow the GPIO pin configuration for your setup. You can use libraries such as 'RPi.GPIO' or 'gpiozero' to read inputs easily. This capability makes the keypad suitable for various projects, from security systems to game applications, enhancing user interaction in a Raspberry Pi environment. -
Question:
Is this keypad suitable for beginners?
Answer: Definitely! The 4 x 4 matrix keypad is particularly suitable for beginners due to its simplicity in wiring and programming. It offers a hands-on experience in learning about matrix keypads and how they function within electronic projects. Through tutorials and example projects available online, newbies can quickly grasp the fundamentals of input devices and microcontroller communication, making it a popular choice for educational kits and introductory programming lessons. -
Question:
What projects can I create using this keypad?
Answer: With the 4 x 4 matrix keypad, you can create a wide array of projects including password entry systems, game controllers, and remote controls. It's commonly used in DIY electronic devices that require user interaction. For example, you could build a simple alarm system that requires a code to deactivate, or a customizable interface for home automation projects. This versatility makes it an excellent choice for hobbyists and educators looking to explore interactive electronics. -
Question:
Can this keypad withstand frequent use?
Answer: Yes, the 4 x 4 matrix keypad is designed to handle frequent use, featuring durable tactile buttons that provide responsive feedback. The robust construction is ideal for high-frequency applications, like control panels. Many users find this keypad suitable for long-term projects where it is pressed often, such as video games or daily automation tasks. Regular exposure to usage conditions does not significantly impact its performance. -
Question:
What programming language is used to control this keypad with Arduino?
Answer: Arduino programming primarily uses C/C++, which is efficient for controlling the 4 x 4 matrix keypad. By utilizing libraries like 'Keypad.h', users can streamline the process of detecting key presses and implementing functionalities in their sketches. This combination provides flexibility in project development, enabling integration with various databases, sensors, or actuators, enhancing overall functionality in your electronic designs. -
Question:
Where can I buy 2PCS 4 x 4 Matrix Array 16 Keys 4 * 4 Switch Keypad Matrix Keyboard Module for Arduino keypad in Kenya?
Answer: You can purchase the 2PCS 4 x 4 Matrix Array 16 Keys 4 * 4 Switch Keypad Matrix Keyboard Module for Arduino keypad from Ubuy. Ubuy offers a great selection of electronic components, including keypads, ensuring you can easily find the exact product for your project needs. Their platform provides a user-friendly shopping experience, allowing you to compare options and select the best fit for your requirements.
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Pros
- Easy to use with Arduino
- Compact design
- Responsive keys
- Good build quality
- Versatile for projects
Cons
- Keypad cable could be longer.
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KES 2298
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Features & Benefits
- High-quality 4x4 keypad for seamless integration.
- 16-button matrix for versatile control options.
- Includes 0-9 numerals and A-D letters, plus * and # symbols.
- Compatible with any microcontroller for easy communication.
- Package includes 2 keyboard modules for double the functionality.
- Ideal for enhancing electronics projects effortlessly.
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