4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino
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4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino
Enhance your projects with our reliable 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane switch, perfect for Arduino control panels!
4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino
Numéro d'article: 90229005

4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino

90% des répondants recommanderaient ceci à un ami

Numéro d'article: 90229005

XAF 10142

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Enhance your projects with our reliable 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane switch, perfect for Arduino control panels!
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Ce qui se démarque

Compact Design
The 4x5 matrix layout ensures space-saving efficiency, making it ideal for projects where board real estate is limited, while still providing 20 functional keys for extensive control.
Versatile Compatibility
Designed for seamless integration with Arduino and similar platforms, it allows hobbyists and developers to easily implement advanced user interfaces in their electronic projects.
Durable Performance
Constructed with high-quality materials, this membrane switch boasts longevity and resilience under regular use, ensuring reliable operation in various environments and applications.

Détails du produit

Shop 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino online at a best price in Cameroon. B07QH6JB23
Compatible DevicesPC
Connectivity TechnologyUSB
Power SourceDC power supply or AC adapter
Switch TypeMembrane
Keyboard LayoutQWERTY
Hand OrientationAmbidextrous
Button Quantity20
Number of Keys20
Style NameContemporary
Enclosure MaterialAcrylonitrile Butadiene Styrene
Branddaier
Keyboard DescriptionMembrane
Built-In MediaInc
Model NumberA572
Unit Count4.0 Count
Manufacturerdaier
Mfr Part NumberA572
StyleContemporary
MaterialAcrylonitrile Butadiene Styrene
Included ComponentsInc
Keyboard layoutQWERTY
Item Weight0.2 lbs (90 grams)

À qui est-ce destiné ?

Suitable For
  • Arduino Enthusiasts

    Perfect for developers wanting to create interactive projects with easy input methods using Arduino microcontrollers.

  • DIY Projects

    Ideal for hobbyists needing a reliable keypad for home automation or custom electronic creations.

  • Learning Purposes

    Great for students and educators looking for practical components to learn about electronics and coding.

Not Suitable For
  • Professional Applications

    Not suitable for high-end industrial applications requiring durable and robust keypad interfaces.

DESCRIPTION DU PRODUIT

4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What is a 4x5 keys matrix array keypad?

    répondre: A 4x5 keys matrix array keypad is a type of input device that consists of 20 individual keys arranged in a grid format, allowing for efficient space and wiring management. This design enables multiple key presses to be registered using fewer input pins than separate connections for each key. It’s particularly useful in projects requiring numeric input or control functions, such as Arduino projects, smart appliances, and robotics.
  • question: How do I connect a 4x5 matrix keypad to an Arduino?

    répondre: To connect a 4x5 matrix keypad to an Arduino, you will typically connect the rows and columns of the keypad to the digital pins on the Arduino. Use a library like Keypad for easy handling of inputs. This setup allows the Arduino to read which key is pressed by scanning through rows and columns. This is an excellent method for creating user interfaces and control panels in electronics projects.
  • question: Can I use this keypad for gaming applications?

    répondre: Yes, the 4x5 matrix keypad can be effectively used in gaming applications. By programming the Arduino to recognize specific key presses as game controls, you can create a custom gaming interface tailored to your needs. This is perfect for projects like DIY arcade systems or handheld gaming consoles, where space efficiency and immediate access to controls are crucial.
  • question: Is it compatible with other microcontrollers besides Arduino?

    répondre: Absolutely! The 4x5 matrix keypad is compatible with various microcontrollers like Raspberry Pi, ESP8266, and others. You may need to adjust the wiring and possibly modify your code, but the basic principle of scanning through rows and columns remains the same. This versatility makes it ideal for multiple projects across different platforms, from DIY electronics to smart home systems.
  • question: What are some practical applications for the keypad?

    répondre: The 4x5 keypad is widely used in various applications, including security systems, home automation controls, and numerical entry systems. For instance, you can use it as a user interface for entering codes in alarm systems or as a remote control for smart appliances. Additionally, it can serve educational purposes in programming classes for teaching students about input handling in coding.
  • question: How does the membrane switch work?

    répondre: The membrane switch works through layers of flexible material and conductive traces that complete a circuit when pressed. Each key has a designated circuit that the controller detects when activated. This technology is beneficial for its low profile and sealed design, making it ideal for applications where durability and cleanliness are essential, such as in industrial controls and consumer electronics.
  • question: How durable is the keypad's membrane?

    répondre: The membrane of the 4x5 matrix keypad is designed to be durable and resist wear from regular use. It typically features a protective layer that guards against dust, moisture, and abrasion, thus maintaining its functionality over time. This durability makes it suitable for applications in harsh environments, such as manufacturing or outdoor installations.
  • question: Can I create a custom keypad layout?

    répondre: Yes, you can create a custom layout for the 4x5 matrix keypad using the Arduino or other microcontrollers. By reassigning the key codes in your programming, you can change which keys trigger certain functions or inputs. This flexibility allows developers to tailor the keypad layout to specific applications, enhancing user experience and accessibility.
  • question: What makes this keypad more efficient than traditional buttons?

    répondre: The 4x5 matrix keypad offers significant efficiency compared to traditional buttons by reducing the number of input pins required for multiple keys. This allows for a compact design and simplifies wiring in circuits, which is especially useful in space-constrained projects. Additionally, the tactile feedback from the membrane can improve usability in interactive applications.
  • question: Where can I buy 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino?

    répondre: You can purchase the 4Pcs 4x5 Keys Matrix Array 20 Key Keypad Membrane Switch Control Panel for Arduino at Ubuy, a reliable online shopping platform that offers a wide range of electronic components and accessories. They provide swift access to various products, making it easy to find what you need for your projects.

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Avantages

  • Easy to use with Arduino
  • Compact design saves space
  • Responsive keypress feedback
  • Durable membrane material

Les inconvénients

  • Keypad layout might be confusing initially.

CONFIANCE EN LA PLATEFORME & PROTECTION DE L'ACHETEUR

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4.2/5 9477 commentaires
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JK
Jasmin
Acheteur vérifié

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

9 September 2026 · via Trustpilot
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“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
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Hazel
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“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
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Opaleye
Acheteur vérifié

“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
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Adele
Acheteur vérifié

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

8 September 2026 · via Trustpilot
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XAF 10142

Commandez maintenant et recevez votre commande aux alentours du Monday, Septembre 21

QTY:

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Conforme PCI DSS et certifié ISO 27001:2022, avec des paiements chiffrés et une protection complète de l'acheteur pour chaque commande.

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Caractéristiques et avantages

  • Includes 4 pieces of 4x5 keys matrix array keypads.
  • Ideal for Arduino control panel projects.
  • High insulation resistance of 100M Ω at 100V.
  • Withstands voltage up to 250V Rms.
  • Operates in a wide temperature range of +15℃ to +35℃.
  • Suitable for storage in humidity levels of 70% to 90%.

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