Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
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Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 [ADA1982]
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]
Artikelnr.: 1270992

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

Artikelnr.: 1270992

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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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Wat opvalt

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.

Productdetails

Find the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 online at Ubuy curacao. Explore the wide range of electronics and get the best deals.
  • Easy-to-use 12-channel capacitive touch sensor breakout board with STEMMA QT connectors for quick connectivity
  • Supports only I2C, compatible with nearly any microcontroller and can handle up to 12 individual touch pads
  • Selectable 1 of 4 addresses with the ADDR pin, offering a total of 48 capacitive touch pads on one I2C 2-wire bus
  • Integrated 3V regulator and I2C level shifting for safe use with 3V or 5V microcontrollers like Arduino
  • Includes an LED on the IRQ line to blink when touches are detected, aiding in debugging
  • Comes fully assembled with a stick of 0.1 header, suggested contacts, and dimensions of 33mm x 19mm x 2mm
Maximum Supply Voltage5 volts
Output TypeDigital
Specific Uses For Productproximity detection, touch sensing, microcontroller projects
Style NameModern
Item Dimensions1.3 x 0.8 x 0.1 inches (3.3 x 2 x 0.3 cm)
Item Weight4.54 g
Brand NameAdafruit
Model8541585568
UPC701851953810
Number of Items1
ManufacturerAdafruit
Part NumberADA1982
BrandAdafruit
Item dimensions L x W x H1.3 x 0.8 x 0.1 inches (3.3 x 2 x 0.3 cm)
StyleModern

Voor wie is dit geschikt?

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.

  • Educational Purposes

    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.

PRODUCTBESCHRIJVING

Heeft u een vraag? Chat met ons

Vragen en antwoorden van klanten

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

    antwoord: 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.
  • vraag: How does the MPR121 capacitive touch sensor work?

    antwoord: 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.
  • vraag: What are some common applications for the Adafruit 12-Key Capacitive Touch Sensor?

    antwoord: 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.
  • vraag: Can I connect the MPR121 to different microcontrollers?

    antwoord: 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.
  • vraag: What do I need to use the Adafruit 12-Key Capacitive Touch Sensor?

    antwoord: 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.
  • vraag: Are there any special considerations for using this sensor in wet or humid conditions?

    antwoord: 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.
  • vraag: What kind of interface does the Adafruit 12-Key Capacitive Touch Sensor provide?

    antwoord: 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.
  • vraag: Is it possible to customize the touch sensitivity of the sensors?

    antwoord: 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.
  • vraag: How does the Adafruit 12-Key Capacitive Touch Sensor compare to traditional buttons?

    antwoord: 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.
  • vraag: Where can I buy the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 in curacao?

    antwoord: 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.

Adafruit Capacitive Editorial Review

The Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 has received positive reviews from customers who have purchased this product. One customer was able to set it up in a few minutes and had reliable results for months. Another customer used it to build a 12-key midi piano with a Raspberry Pi 3 and was pleasantly surprised with its accuracy and responsiveness. The product was easy to use and could be used for different applications like a drum-pad or controller. The review suggests keeping the wire distance between the sensor and fruit/vegetable 12 inches or less to avoid flickering. Overall, the product has lived up to customer expectations.

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Voordelen

  • Easy to set up
  • Reliable performance
  • Accurate and responsive
  • Versatile for different applications

Nadelen

  • Flickering if the wire distance is too long

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Kenmerken en voordelen

  • 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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