4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
Max. Circuit Rating: 35VDC, 100mA
4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
Nr produktu: 86854199

4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR

Nr produktu: 86854199

PLN 33

Szczegóły ceny

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from Stany Zjednoczone

W magazynie
Stany Zjednoczone Zaimportowano ze sklepu USA
Zamów teraz i otrzymaj około Piątek, Wrzesień 04
Nasi czołowi partnerzy logistyczni
  • fedex
  • dhl
Max. Circuit Rating: 35VDC, 100mA
Gwarancja U-Care:
Brak
Wybierz plan
fast shipping

Szybka
wysyłka

free return

Bezpłatny
zwrot*

Bezpieczne pakowanie

Bezpieczne pakowanie

100% oryginalne produkty

100% oryginalne produkty

pci-dss

Zgodność z PCI DSS

iso certified

Certyfikat ISO 27001


paypal payment
visa payment
mastercard payment
bank transfer payment
przelewy24 payment
blik payment
Note: Step Down Voltage Transformer required for using electronics products of Stany Zjednoczone store (110-120). Recommended power converters Kup Teraz.

Co wyróżnia ten produkt

Compact Design
The 4x3 matrix layout provides a compact control panel, making it ideal for space-constrained projects while maintaining functionality and ease of use.
Versatile Compatibility
Designed to work seamlessly with Arduino and AVR microcontrollers, it simplifies integration into various electronics projects, ensuring broad application in DIY and professional setups.
Durable Construction
Crafted with quality membrane materials, this keypad promises durability and resilience against wear, ensuring long-term reliability for both hobbyists and industrial applications.

Szczegóły Produktu

Shop 4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR online at a best price in Polska. B07KNTJ2NG
Hand OrientationAmbidextrous
Style NameModern
Item Dimensions L x W x H3.03"L x 2.72"W x 0.03"H (7.7 x 6.9 x 0.1 cm)
Enclosure Materialcopper
BrandReland-Sung
Keyboard DescriptionMembrane
ManufacturerReland Sung
UPC723585713096
Mfr Part Number723585713096
StyleModern
Product Dimensions (L x W x H)3.03"L x 2.72"W x 0.03"H (7.7 x 6.9 x 0.1 cm)
Materialcopper
Number of Items1

Dla kogo jest przeznaczony?

Suitable For
  • Arduino Developers

    Ideal for hobbyists and developers creating Arduino projects requiring user input or control mechanisms for functionality.

  • Embedded Systems

    Suitable for those integrating simple keypads in embedded systems for user interaction, allowing easy control of applications.

  • DIY Enthusiasts

    Perfect for DIY electronics enthusiasts looking to build interactive devices or prototypes using a compact keypad interface.

Not Suitable For
  • Professional Use

    Not suitable for professional-grade applications requiring high durability or certification for commercial use.

OPIS PRODUKTU

4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR

Masz pytania? Porozmawiaj z nami

Pytania i odpowiedzi klientów

  • pytanie: What is a 4x3 matrix array 12 key membrane switch keypad?

    odpowiedź: A 4x3 matrix array 12 key membrane switch keypad is a compact input device that consists of 12 individual keys arranged in four rows and three columns. This type of keypad is utilized for user interfaces in various electronic projects, particularly in conjunction with microcontrollers like Arduino and AVR. The matrix design helps optimize space while providing an efficient and straightforward way to input commands, ideal for applications in home automation, robotics, and gaming systems.
  • pytanie: How do I connect the 4x3 membrane switch keypad to an Arduino?

    odpowiedź: To connect the 4x3 membrane switch keypad to an Arduino, begin by wiring the keypad's rows and columns to the appropriate digital pins on the Arduino board. Each of the keypad's rows should connect to a separate pin, and the same goes for the columns. Once connected, use a keypad library, like Keypad or similar, to manage input detection in your code. This setup allows the Arduino to identify which button is pressed and execute specific functions, making it perfect for interactive projects.
  • pytanie: Can I use this keypad with other microcontrollers besides Arduino?

    odpowiedź: Yes, the 4x3 matrix array keypad is versatile and can be used with other microcontrollers, such as AVR, PIC, or Raspberry Pi. The wiring process remains similar: connect the keypad's rows and columns to the digital pins of the other microcontroller. Libraries and code examples specific to those platforms facilitate integration, allowing you to develop a range of applications including control panels, user interfaces, and more. This flexibility makes the keypad ideal for various electronics projects.
  • pytanie: What applications are suitable for a 4x3 matrix keypad?

    odpowiedź: The 4x3 matrix keypad is ideal for various applications, including Home Automation systems for controlling lights or appliances, or security devices like access control systems. It can also be used in DIY projects involving robotics for user input or joystick functions, as well as in gaming consoles as a control interface. Its versatility makes it a go-to solution for developers and hobbyists needing a compact user interface for electronic devices.
  • pytanie: What features should I look for in a membrane switch keypad?

    odpowiedź: When evaluating a membrane switch keypad, consider features such as key sensitivity, durability, and the type of feedback (tactile or non-tactile) it offers. Additionally, assess the ease of integration with your microcontroller and review the availability of compatible libraries to facilitate development. Compatibility with different voltages and a potentially longer lifespan due to the absence of moving parts is also crucial for overall effectiveness in your projects.
  • pytanie: Is the keypad suitable for outdoor use?

    odpowiedź: While the standard 4x3 matrix keypad is designed for indoor applications, outdoor use is possible if you take necessary precautions. Consider utilizing a protective enclosure to shield it from moisture and dust. Additionally, select keypads that are labeled as waterproof or weather-resistant. This way, you can implement user interfaces for outdoor devices or installations, ensuring durability and functionality in various environmental conditions.
  • pytanie: Can I modify the key functions on the keypad?

    odpowiedź: Absolutely! One of the key features of the 4x3 matrix keypad is that it allows for custom programming. By writing code in your microcontroller’s Integrated Development Environment (IDE), you can assign specific functions to each key based on your project requirements. This programmability is essential for creating tailored user experiences, whether you need a simple input method or complex command sequences for advanced projects.
  • pytanie: What is the difference between the keypad and a traditional mechanical keyboard?

    odpowiedź: The primary difference lies in their construction and functionality. A 4x3 matrix keypad is a compact, low-profile membrane switch, while traditional mechanical keyboards utilize individual mechanical switches under each key for tactile feedback. This makes the membrane keypad lighter and quieter, ideal for portable applications. They are often used in scenarios where space and weight are critical concerns, like embedded systems and smaller electronic devices.
  • pytanie: What should I be aware of when programming the keypad?

    odpowiedź: When programming the 4x3 matrix keypad, ensure that your code correctly identifies each key press. Consider using established libraries designed for matrix keypads that provide functions for scanning the keypad and detecting pressed keys. Debugging is also important; make sure to test each key with sample code to confirm correct functionality. Taking the time to understand how the keypad works with your microcontroller is key for seamless integration into your project.
  • pytanie: Where can I buy the 4x3 Matrix Array 12 Key Membrane Switch Keypad?

    odpowiedź: You can purchase the 4x3 Matrix Array 12 Key Membrane Switch Keypad from Ubuy in Poland. Ubuy is a reliable e-commerce platform that offers a wide variety of electronics and components suitable for your projects, ensuring you find the right products to enhance your electronics work.

RelandSung Microprocessors Editorial Review

Nie znaleziono recenzji redakcyjnych

Opinie i oceny klientów

5.0
1 oceny klientów
  • 5 gwiazdka
    100%
  • 4 gwiazdka
    0%
  • 3 gwiazdka
    0%
  • 2 gwiazdka
    0%
  • 1 gwiazdka
    0%

Zrecenzuj ten produkt

Podziel się opinią z innymi klientami

Zaufanie do platformy i bezpieczeństwo kupujących

trustpilot logo
4.2/5 9250 + reviews
Przeczytaj opinie
MA
Mohammad
Zweryfikowany kupujący

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Zweryfikowany kupujący

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Zweryfikowany kupujący

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Zweryfikowany kupujący

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Zweryfikowany kupujący

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Bezpieczna realizacja zamówienia Dostawa na cały świat Łatwe zwroty Oryginalne produkty

Historia ceny produktu

Ważne informacje

  • Ograniczenia: W przypadku produktów wysyłanych za granicę należy pamiętać, że wszelkie gwarancje producenta mogą być nieważne; opcje serwisowe producenta mogą być niedostępne; instrukcje obsługi produktów, podręczniki i ostrzeżenia dotyczące bezpieczeństwa mogą nie być dostępne w języku kraju docelowego; produkty (i materiały towarzyszące) mogą nie spełniać norm wykonania, specyfikacji i wymogów dotyczących oznaczeń kraju docelowego; produkty mogą nie spełniać standardów dotyczących napięcia i innych norm elektrycznych kraju docelowego (co w stosownych przypadkach wymaga użycia adaptera lub konwertera). Odbiorca jest odpowiedzialny za sprawdzenie, czy produkt może zostać legalnie zaimportowany do kraju docelowego. W przypadku zamawiania produktów w sklepie Ubuy lub u jego partnerów odbiorca jest oficjalnie zgłoszonym importerem i musi spełniać wszystkie wymogi przepisów oraz regulacji kraju docelowego.
  • Nie wszystkie produkty znajdujące się na Ubuy są na sprzedaż, ponieważ Ubuy to globalna wyszukiwarka. Produkty podlegają przepisom eksportowym/handlowym.