4x3 Matrix Array 12 Key Membrane Switch Keypad Keyboard 3 * 4 Control Panel Microprocessor Keyboard Controller for Arduino AVR
genuine image
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
Artikelnummer: 86854199

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

Artikelnummer: 86854199

SEK 83

Price Details

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

*All items will import from USA

I lager
USA Importerad från butiken USA

QTY:

Beställ nu och få den ungefär på Sunday, Augusti 02
Säker transaktionSäker transaktion

Ubuy arbetar hårt för att skydda din säkerhet och integritet. Vårt avancerade betalningssäkerhetssystem säkerställer konfidentialitet genom att kryptera din information vid överföring med hjälp av AES (Advanced Encryption Standards) och SSL (Secure Socket Layer) protokoll. Dina betalningsuppgifter är 100% säkra eftersom vi inte delar dem med tredjepartssäljare.

Våra främsta logistikpartners
  • fedex
  • dhl
Max. Circuit Rating: 35VDC, 100mA
U-Care-garanti:
Ingen
Välj en plan
buy now pay later

Köp nu betala senare

fast shipping

Fast
Shipping

free return

Gratis
returrätt*

Säker förpackning

Säker förpackning

100% originalprodukter

100% originalprodukter

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of USA store (110-120). Recommended power converters Köp nu.

Vad utmärker sig

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.

Produktinformation

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 Sweden. B07KNTJ2NG
Item Weight0.1 lbs (50 grams)

Vem bör köpa?

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.

  • Complex Interfaces

    Users needing a sophisticated interface with programmable features may find this basic keypad insufficient.

  • Mobile Applications

    Not ideal for mobile projects where space and portability are critical, as it lacks flexibility and compactness.

PRODUKTBESKRIVNING

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

Har du någon fråga? Chatta med oss

Kundfrågor och svar

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

    svar: 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.
  • fråga: How do I connect the 4x3 membrane switch keypad to an Arduino?

    svar: 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.
  • fråga: Can I use this keypad with other microcontrollers besides Arduino?

    svar: 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.
  • fråga: What applications are suitable for a 4x3 matrix keypad?

    svar: 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.
  • fråga: What features should I look for in a membrane switch keypad?

    svar: 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.
  • fråga: Is the keypad suitable for outdoor use?

    svar: 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.
  • fråga: Can I modify the key functions on the keypad?

    svar: 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.
  • fråga: What is the difference between the keypad and a traditional mechanical keyboard?

    svar: 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.
  • fråga: What should I be aware of when programming the keypad?

    svar: 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.
  • fråga: Where can I buy the 4x3 Matrix Array 12 Key Membrane Switch Keypad?

    svar: You can purchase the 4x3 Matrix Array 12 Key Membrane Switch Keypad from Ubuy in Sweden. 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

Inga redaktionella recensioner hittades

Kundrecensioner & betyg

5.0
1 kunders betyg
  • 5 stjärna
    100%
  • 4 stjärna
    0%
  • 3 stjärna
    0%
  • 2 stjärna
    0%
  • 1 stjärna
    0%

Recensera denna produkt

Dela dina tankar med andra kunder

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9,000 + reviews
Read reviews
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
Säker utcheckning Global Delivery Enkel retur Genuine Products

Produktens prishistorik

Viktig information

  • Begränsningar: För produkter som levereras internationellt, observera att tillverkarens garanti inte är giltig. Tillverkarens servicealternativ kanske inte är tillgängliga; produktmanualer, instruktioner och kanske inte finns på destinationslandets språk; produkterna (och medföljande material) får inte utformas i enlighet med destinationslandets standarder, specifikationer och märkningskrav. och produkterna kanske inte överensstämmer med destinationslandets spänning och andra elektriska standarder (kräver användning av en adapter eller omvandlare om det är lämpligt). Mottagaren ansvarar för att produkten lagligt kan importeras till destinationslandet. Vid beställning från Ubuy eller dess partners är mottagaren importör och måste följa alla lagar och förordningar i destinationslandet.
  • Alla produkter på Ubuy är inte till salu, eftersom Ubuy är en global sökmotor. Produkterna omfattas av export-/handelsbestämmelser.

SEK 83

Beställ nu och få den ungefär på Sunday, Augusti 02

QTY:

Säker transaktionSäker transaktion

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Våra främsta logistikpartners
  • fedex
  • dhl
Snabbaste gränsöverskridande leverans

Funktioner

  • Max. Circuit Rating: 35VDC, 100mA
  • Connector: Dupont 7 pins, 0.1 (2.54mm) Pitch
  • Insulation Spec.: 100M Ohm, 100V
  • Mount Style: Self-Adherence
  • Contact Bounce: Reland Sung
  • Dielectric Withstand: 250VRms (60Hz, 1min)

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.