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
Artikel #: 86854199

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

Artikel #: 86854199

€ 7

Price Details

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

*All items will import from ZDA

0 ratings Napiši oceno
Na zalogi
ZDA Uvoženo iz trgovine USA
Naročite zdaj in dobite okoli dne: Sreda, Avgust 05
Our Top Logistics Partners
  • fedex
  • dhl
Max. Circuit Rating: 35VDC, 100mA
Garancija U-Care:
Noben
Izberite načrt
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of ZDA store (110-120). Recommended power converters Kupi zdaj.

What Stands Out

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.

Podrobnosti produkta

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

Who Should Buy?

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.

OPIS IZDELKA

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

Imate kakšno vprašanje? Klepetajte z nami

Vprašanja in odgovori kupcev

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

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

    Odgovor: 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.
  • Vprašanje: Can I use this keypad with other microcontrollers besides Arduino?

    Odgovor: 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.
  • Vprašanje: What applications are suitable for a 4x3 matrix keypad?

    Odgovor: 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.
  • Vprašanje: What features should I look for in a membrane switch keypad?

    Odgovor: 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.
  • Vprašanje: Is the keypad suitable for outdoor use?

    Odgovor: 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.
  • Vprašanje: Can I modify the key functions on the keypad?

    Odgovor: 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.
  • Vprašanje: What is the difference between the keypad and a traditional mechanical keyboard?

    Odgovor: 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.
  • Vprašanje: What should I be aware of when programming the keypad?

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

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

Uredniške ocene niso bile najdene

Customer Reviews & Ratings

5.0
1 Ocene kupcev
  • 5 Zvezda
    100%
  • 4 Zvezda
    0%
  • 3 Zvezda
    0%
  • 2 Zvezda
    0%
  • 1 Zvezda
    0%

Oceni ta izdelek

Delite svoje misli z drugimi strankami

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
Varno odjavljanje Global Delivery Easy Returns Genuine Products

Product Price History

Pomembne informacije

  • Omejitve: Pri izdelkih, ki se pošiljajo v tujino, upoštevajte, da proizvajalčeva garancija morda ne bo veljavna; servisne možnosti proizvajalca morda ne bodo na voljo; priročniki, navodila in varnostna opozorila za izdelke morda ne bodo v jeziku ciljne države. Izdelki (in pripadajoči materiali) morda ne bodo oblikovani v skladu s standardi destinacijske države in v skladu z zahtevami za etiketiranje; izdelki morda ne bodo v skladu s standardi za voltažo in elektriko, ki veljajo v destinacijski državi (morda bo potrebna uporaba adapterja ali pretvornika). Prejemnik je odgovoren za zagotovitev, da se izdelek lahko v skladu z zakonodajo uvozi v destinacijsko državo. Če naročate pri Ubuy ali pridruženih partnerjih, je prejemnik registrirani uvoznik in mora izpolnjevati vso zakonodajo in pravila destinacijske države.
  • Vsi izdelki, navedeni na Ubuyu, niso naprodaj, saj je Ubuy globalni iskalnik. Za izdelke veljajo izvozni/trgovinski predpisi.