QMQJIA 3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
genuine image
QMQJIA 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.
QMQJIA 3x4 Matrixes Array 12 Button Keypad Keyboard Module 12 Key MCU Membrane Button Keypad Electric DIY Kit 12 Button Keypad
Barang #: 137464668

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

Barang #: 137464668

USD 12

Price Details

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

*All items will import from AS

0 ratings Tulis ulasan
Persediaan
AS Diimpor dari toko USA
Pesan sekarang dan dapatkan kira-kira pada Sabtu, Oktober 17
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.
Garansi U-Care:
Tidak ada
Pilih rencana
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 AS store (110-120). Recommended power converters Beli Sekarang.

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.

Rincian Produk

Shop QMQJIA 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 Timor-Leste. B0CDT2LCCT
Power SourceWired
Switch TypeMembrane
Keyboard LayoutQWERTY
Hand OrientationAmbidextrous
Button Quantity12
Water Resistance LevelNot Water Resistant
Number of Keys12
Number of Sections1
ColorBlack
Style NameContemporary
ThemeNumber
BrandQMQJIA
Keyboard DescriptionMembrane
Antenna LocationOffice
Built-In MediaUSB Cable
Model Numberd07acc43-3297-4cf8-8cde-16f507980db1
ManufacturerQMQJIA
Mfr Part NumberQMQJIA
Enclosure MaterialAcrylonitrile Butadiene Styrene
Recommended Uses For ProductOffice
StyleContemporary
MaterialAcrylonitrile Butadiene Styrene
Included ComponentsUSB Cable
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.

DESKRIPSI PRODUK

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

Punya Pertanyaan? Berbincanglah dengan kami

Pertanyaan & Jawaban Pelanggan

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

    menjawab: 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.
  • pertanyaan: How do I connect the 12 Button Keypad to my microcontroller?

    menjawab: 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.
  • pertanyaan: Can I use this keypad module in projects with Raspberry Pi?

    menjawab: 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.
  • pertanyaan: What programming languages can I use with this keypad?

    menjawab: 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.
  • pertanyaan: What type of projects can I create using the 12 Button Keypad?

    menjawab: 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.
  • pertanyaan: Is the 12 Button Keypad compatible with Arduino?

    menjawab: 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.
  • pertanyaan: Can this keypad handle multiple button presses at once?

    menjawab: 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.
  • pertanyaan: What is the size of the 12 Button Keypad module?

    menjawab: 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.
  • pertanyaan: How sensitive are the buttons on the keypad?

    menjawab: 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.
  • pertanyaan: Where can I buy the 12 Button Keypad in Timor-Leste?

    menjawab: 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 d07acc43-3297-4cf8-8cde-16f507980db1 Editorial Review

Ulasan editorial tidak ditemukan

Customer Reviews & Ratings

1 peringkat pelanggan
  • 5 bintang
    100%
  • 4 bintang
    0%
  • 3 bintang
    0%
  • 2 bintang
    0%
  • 1 bintang
    0%

Ulas produk ini

Bagikan pikiran Anda kepada pelanggan lain

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 ulasan
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Pembayaran Aman Global Delivery Easy Returns Genuine Products

Product Price History

Informasi penting

  • Batasan : Untuk produk yang dikirim secara internasional, harap diperhatikan bahwa garansi pabrik mungkin tidak berlaku; pilihan layanan pabrikan mungkin tidak tersedia; manual produk, instruksi, dan peringatan keselamatan mungkin tidak tersedia dalam bahasa negara tujuan; produk (dan material penyerta) mungkin tidak dirancang sesuai standar, spesifikasi, dan persyaratan pelabelan negara tujuan; dan produk mungkin tidak sesuai dengan voltase negara tujuan dan standar kelistrikan lainnya (memerlukan penggunaan adaptor atau konverter jika tersedia). Penerima bertanggung jawab untuk memastikan bahwa produk tersebut dapat diimpor secara sah ke negara tujuan. Saat memesan dari Ubuy atau afiliasinya, penerima tercatat sebagai importir dan harus mematuhi semua hukum dan peraturan negara tujuan.
  • Tidak semua produk yang terdaftar di Ubuy sedang dijual, karena Ubuy adalah mesin pencari global. Produk tunduk pada peraturan ekspor/perdagangan.

USD 12

Pesan sekarang dan dapatkan kira-kira pada Sabtu, Oktober 17

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

Fitur & Manfaat

  • 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.