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]
товар №: 1270992

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

товар №: 1270992

KZT 12596

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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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Find the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 online at Ubuy Kazakhstan. 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
Item Weight0.1 lbs (50 grams)

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

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Вопросы и ответы клиентов

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

    отвечать: 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.
  • вопрос: How does the MPR121 capacitive touch sensor work?

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

    отвечать: 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.
  • вопрос: Can I connect the MPR121 to different microcontrollers?

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

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

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

    отвечать: 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.
  • вопрос: Is it possible to customize the touch sensitivity of the sensors?

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

    отвечать: 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.
  • вопрос: Where can I buy the Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 in Kazakhstan?

    отвечать: 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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KZT 12596

Закажите сейчас и получите товар приблизительно Среда, Июль 15

QTY:

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

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Особенности и преимущества

  • 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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