3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
genuine image
3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
This 4x3 Keypad Matrix lets you quickly add control to your electronics projects.
3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
зүйлийн дугаар: 137464668

3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad

зүйлийн дугаар: 137464668

MNT 44476

Price Details

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

*All items will import from АНУ

Нөөцөд байна
АНУ USA дэлгүүрээс импортолсон
Яг одоо захиалаад ойрын хугацаанд хүлээн аваарай Monday, 8 дугаар сар 03
Secured transactionsecured 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
  • fedex
  • dhl
This 4x3 Keypad Matrix lets you quickly add control to your electronics projects.
U-Care баталгаа:
Байхгүй
Төлөвлөгөө сонгох
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 АНУ store (110-120). Recommended power converters Одоо худалдаж авах.

What Stands Out

Compact Design
The 3x4 matrix layout offers a space-saving solution for various projects, making it ideal for DIY enthusiasts and electronic developers seeking efficient interface options.
User-Friendly
Easy to install and integrate with microcontrollers, this keypad module simplifies user interfaces, enhancing accessibility for novice and experienced developers alike, ensuring a smooth project experience.
High Durability
Constructed with quality membrane materials, this keypad is designed for long-term use, effectively resisting wear and tear, ensuring reliability for continuous electronic applications.

Бүтээгдэхүүний дэлгэрэнгүй мэдээлэл

Shop 3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad online at a best price in Mongolia. B0CDT2LCCT
Item Weight0.3 lbs (140 grams)

Who Should Buy?

Suitable For
  • DIY Electronics Enthusiasts

    Ideal for hobbyists creating personal electronic projects requiring multiple inputs through a simple interface.

  • Education Purposes

    Perfect for teachers and students focused on learning programming and electronics concepts through hands-on activities.

  • Embedded System Developers

    Useful for developers needing an efficient keypad for microcontroller-based projects, facilitating user interactions easily.

Not Suitable For
  • Professional Applications

    Not suitable for high-demand environments requiring robust, durable, and reliable input devices with high performance.

  • Limited Technical Knowledge

    Users without basic electronics knowledge may struggle with installation, configuration, and integration into projects.

  • Heavy Use Scenarios

    This keypad may not withstand heavy usage or rough handling, as it's designed for light to moderate applications.

БАРААНЫ ТАЙЛБАР

3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad

Асуулга байна уу? Бидэнтэй чатлаарай

Хэрэглэгчийн асуулт ба хариултууд

  • Асуулт: What is the 3x4 Matrixes Array 12 Button Keypad Keyboard Module used for?

    Хариулт: The 3x4 Matrixes Array 12 Button Keypad Keyboard Module is primarily used for inputting data in various electronic projects. It acts as an interface for microcontrollers like Arduino, allowing users to collect numeric or alphanumeric inputs through its 12 buttons. This keypad is essential in DIY kits for projects such as alarm systems, door access controls, or simple calculators, providing an efficient way to enter commands easily.
  • Асуулт: How do I connect the 12 Button Keypad to my microcontroller?

    Хариулт: Connecting the 12 Button Keypad to a microcontroller involves using a few GPIO pins. The module typically has 8 pins: 3 columns and 4 rows. You’ll connect the row pins to the microcontroller pins configured as inputs and the column pins to outputs. With coding, you can read the key presses by scanning through the rows and columns, making it easy to register the button presses in your projects. This setup is widely used in hobbyist electronics.
  • Асуулт: Can I use this keypad module in projects with Raspberry Pi?

    Хариулт: Yes, the 3x4 Matrixes Array 12 Button Keypad is compatible with Raspberry Pi. You can utilize the GPIO pins to set it up similarly to how it’s connected with other microcontrollers. With the right libraries and code, you can easily capture button presses to control various peripherals or run programs. This compatibility expands your DIY project options and enhances interactive functionalities in your Raspberry Pi applications.
  • Асуулт: What programming languages can I use with this keypad?

    Хариулт: You can use multiple programming languages with the 12 Button Keypad, including C/C++ for Arduino, Python for Raspberry Pi, and similar languages that support GPIO interfacing. Depending on your microcontroller, libraries such as Keypad for Arduino or RPi.GPIO for Raspberry Pi can be employed to make interaction with the keypad straightforward. This versatility allows you to implement the keypad into different environments and projects, enhancing your learning and creativity in coding.
  • Асуулт: What type of projects can I create using the 12 Button Keypad?

    Хариулт: The 12 Button Keypad Module is very versatile, suited for projects like security systems, access control panels, simple games, and more. For instance, you can build a digital lock that requires a number code to unlock or create a budget tracker that uses the keypad for inputting expenses. Additionally, it's often used in educational robotics to enhance user input options, making it suitable for beginners learning about electronics.
  • Асуулт: Is the 12 Button Keypad compatible with Arduino?

    Хариулт: Yes, the 3x4 Matrixes Array 12 Button Keypad is highly compatible with Arduino boards. This makes it an excellent component for projects that require user input. You can easily integrate it into your Arduino projects using existing libraries to manage button states effortlessly. This compatibility opens up numerous possibilities for student projects, prototypes, or any DIY electronics application that requires a keypad interface.
  • Асуулт: Can this keypad handle multiple button presses at once?

    Хариулт: The 12 Button Keypad typically does not support multiple simultaneous key presses due to its matrix layout. When several keys are pressed, the electrical signals can cause ghosting, resulting in incorrect readings. To handle this, you might need to implement additional circuitry or choose more advanced keypads designed to handle N-key rollover if multiple inputs are a critical requirement in your project.
  • Асуулт: What is the size of the 12 Button Keypad module?

    Хариулт: The 3x4 Matrixes Array 12 Button Keypad is compact, often measuring around 4x4 cm. This small size allows it to fit easily into various projects without taking up much space. You can incorporate it seamlessly into enclosures or control panels where space is a concern, making it ideal for miniature devices or complex projects that require a user interface without expanding the overall dimensions.
  • Асуулт: How sensitive are the buttons on the keypad?

    Хариулт: The buttons on the 12 Button Keypad are designed for a responsive user experience. They typically require a light touch to activate, ensuring user-friendly interaction. The sensitivity makes it suitable for a range of applications, whether you’re designing a simple game controller or a numeric input device. Users generally appreciate the tactile feedback, enhancing usability in interactive projects.
  • Асуулт: Where can I buy the 12 Button Keypad in Mongolia?

    Хариулт: You can purchase the 3x4 Matrixes Array 12 Button Keypad Keyboard Module from Ubuy, which offers a convenient online shopping experience focused on various electronic components. They provide a wide selection of DIY kits and electronic parts, making it an ideal choice for hobbyists and professionals looking to enhance their projects with quality components.

QMQJIA Access-Control Keypads Editorial Review

Редакцийн шүүмж олдсонгүй

Customer Reviews & Ratings

5.0
1 Хэрэглэгчийн үнэлгээ
  • 5 од
    100%
  • 4 од
    0%
  • 3 од
    0%
  • 2 од
    0%
  • 1 од
    0%

Энэ бараанд шүүмж өгөх

Бусад хэрэглэгчидтэй санал бодлоо хуваалцана уу

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
Найдвартай төлөлт Global Delivery Easy Returns Genuine Products

Product Price History

Чухал мэдээлэл

  • Хязгаарлалт : Олон улсын хүргэлтээр илгээгдсэн барааны тохиолдолд, үйлдвэрлэгчийн баталгаа хүчингүй байх, үйлдвэрлэгчийн үйлчилгээ хүргэх боломжгүй, барааны заавар, гарын авлага болон анхааруулга очих улсын хэлдээр биш байх магадлалтай гэдгийг анхаарна уу. Мөн бараа болон дагалдах хэрэгсэл нь тухайн улсын стандартыг мөрдөөгүй, чанарын заалт болон шошгын шаардлагыг хангаагүй байх магадлалтай бөгөөд, тухайн улсын цахилгааны вольтод тохирохгүй байж болзошгүй (тохирох адаптер болон хувиргагч шаардлагатай) юм. Хүлээн авагч нь барааг тухайн улс уруу хуулийн дагуу импортлогдохыг батлах ёстой. Ubuy болон түүний холбоот түншүүдээс худалдан авсан тохиолдолд худалдан авагч нь хүлээн авах улсын бүх хууль болон заалтуудыг мөрдөх ёстой.
  • Ubuy нь дэлхий даяар хэрэглэгддэг хайлтын хэрэгсэл учраас Ubuy дээр байгаа бараа бүр зарагдана гэсэн үг биш. Бараанууд нь экспорт болон худалдааны журмыг дагаж мөрдөх ёстой.

MNT 44476

Яг одоо захиалаад ойрын хугацаанд хүлээн аваарай Monday, 8 дугаар сар 03

QTY:

Secured transactionsecured transaction

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

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Онцлог & Давуу талууд

  • Compact design ideal for alarm/safety devices.
  • Quickly integrate into electronics projects.
  • Durable construction with plastic and metal materials.
  • Direct replacement with simple plug-and-play installation.
  • Perfect for access control and device management.
  • Enhance your DIY electronics with a reliable keypad.

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.