Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
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Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
vare #: 1270992

Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]

vare #: 1270992

NOK 264

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Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board
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Det som utmerker seg

Capacitive Touch Sensing
Utilizes advanced capacitive touch technology, allowing for responsive and reliable interaction, making it ideal for DIY projects and interactive installations.
12 Key Inputs
Offers twelve configurable touch keys, enabling versatile designs for various applications, such as touchpads or custom controls, to satisfy diverse user needs.
I2C Interface
Features a convenient I2C interface for easy integration with microcontrollers, ensuring straightforward communication and efficient data transfer in your projects.

Produkt detaljer

Find the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 online at Ubuy NORGE. Explore the wide range of electronics and get the best deals.
  • 12-channel capacitive touch sensor breakout board with STEMMA QT connectors
  • Supports I2C for connectivity with nearly any microcontroller
  • Selectable 7-bit I2C addresses for a total of 48 capacitive touch pads on one bus
  • Includes 3V regulator and I2C level shifting for 3V or 5V microcontroller/processor use
  • Comes fully assembled with 0.1 header and suggested copper foil or pyralux contacts
  • Dimensions: 33mm x 19mm x 2mm, Weight: 2.2g
Vekt av varen0.1 lbs (50 gram)

Hvem passer produktet for?

Suitable For
  • DIY Electronics Hobbyists

    Ideal for individuals creating custom electronics projects, offering a touch-sensitive interface for enhanced interactivity.

  • Interactive Installations

    Perfect for artists and developers building interactive art installations or exhibits that require touch sensitivity.

  • Utdanningsformål

    Great for teachers and students in electronics classes, providing hands-on experience with capacitive touch technology.

Not Suitable For
  • Heavy-Duty Applications

    Not suitable for industrial environments where heavy usage or extreme conditions might damage sensitive components.

PRODUKTBESKRIVELSE

Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]

Har du noen spørsmål? Chat med oss

Spørsmål og svar fra kunder

  • Spørsmål: What is the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121?

    Svar: The Adafruit 12-Key Capacitive Touch Sensor Breakout is a versatile board that allows for touch-sensitive input using twelve individual keys. It utilizes the MPR121 capacitive touch sensor IC, which enables detection of touch through conductive surfaces. This makes it ideal for projects requiring user interaction without physical buttons, enhancing aesthetics and usability in gadgets or custom interfaces.
  • Spørsmål: How does the MPR121 capacitive touch sensor work?

    Svar: The MPR121 operates by measuring capacitance variations when a finger comes close to its sensor pads. When a conductive object, like a finger, approaches a pad, it alters the surrounding capacitance, triggering a touch event. This touch detection can be finely tuned for sensitivity and can operate under various conditions, making it suitable for both DIY electronics and production-level applications.
  • Spørsmål: What are some common applications for the Adafruit 12-Key Capacitive Touch Sensor?

    Svar: This sensor breakout is commonly used in projects such as custom touch interfaces, interactive exhibits, and DIY musical instruments. Its ability to replace traditional switches allows for smoother designs and user interactions. By incorporating this sensor into a project, creators can develop intuitive applications like touch-controlled lights, gaming controllers, or smart home devices.
  • Spørsmål: Can I connect the MPR121 to different microcontrollers?

    Svar: Yes, the Adafruit 12-Key Capacitive Touch Sensor Breakout can be connected to various microcontrollers such as Arduino, Raspberry Pi, and ESP32. It utilizes I2C communication, making it compatible with any microcontroller that supports this protocol. This flexibility allows makers to seamlessly integrate the sensor into numerous projects, regardless of the platform.
  • Spørsmål: What do I need to use the Adafruit 12-Key Capacitive Touch Sensor?

    Svar: To utilize the Adafruit 12-Key Capacitive Touch Sensor Breakout, you need a compatible microcontroller, connecting wires, and a power supply. Additionally, it is recommended to install the Adafruit MPR121 library for easy programming. This setup enables you to start developing interactive projects with minimal preparation, opening up a world of creative possibilities.
  • Spørsmål: Are there any special considerations for using this sensor in wet or humid conditions?

    Svar: While the MPR121 can function in various environments, extreme humidity or wet conditions can cause false readings due to unintentional capacitance changes. For reliable operation in such environments, it’s advisable to mount the sensor in a protective casing or use a waterproof overlay. This ensures the sensor remains responsive yet protected from environmental factors, especially for outdoor applications.
  • Spørsmål: What kind of interface does the Adafruit 12-Key Capacitive Touch Sensor provide?

    Svar: The sensor provides a simple GPIO-style interface through its 12 touch-sensitive pads, which can detect both touches and releases. Combined with the I2C interface for communication, it allows for straightforward programming to read sensor inputs. This easy accessibility makes it ideal for beginners and experienced developers alike when creating touch-responsive devices.
  • Spørsmål: Is it possible to customize the touch sensitivity of the sensors?

    Svar: Yes, the touch sensitivity of the MPR121 can be adjusted programmatically through configuration settings. Users can fine-tune the thresholds for touch detection, allowing for customized sensitivity levels tailored to specific applications. This flexibility is particularly beneficial for projects where varying user interaction styles or environmental conditions need to be accommodated.
  • Spørsmål: How does the Adafruit 12-Key Capacitive Touch Sensor compare to traditional buttons?

    Svar: Unlike traditional mechanical buttons, the Adafruit 12-Key Capacitive Touch Sensor offers a touch interface that doesn't require pressing, leading to a sleeker design without moving parts. This not only enhances visual appeal but also reduces wear and tear, resulting in a more durable solution. Additionally, it allows for multi-touch capabilities which can create more complex interactions, like gesture recognition.
  • Spørsmål: Where can I buy the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 in Norway?

    Svar: You can buy the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 from Ubuy, which offers a wide range of Adafruit products and ensures a smooth shopping experience. Ubuy’s platform provides access to various electronic components, making it a reliable choice for sourcing this specific breakout board.

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NOK 264

Bestill nå, så får du den omkring Onsdag, August 05

Antall:

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PCI DSS-kompatibel og ISO 27001:2022-sertifisert, med krypterte betalinger og full kjøperbeskyttelse på hver bestilling.

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Funksjoner og fordeler

  • Supports only I2C
  • Select 1 of 4 addresses with the ADDR pin, for a total of 48 capacitive touch pads on one I2C 2-wire bus
  • Handles up to 12 individual touch pads
  • 3V regulator and I2C level shifting added for safe usage with any 3V or 5V microcontroller/processor
  • Now featuring STEMMA QT connectors for quick connectivity

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