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8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
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8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
The MPR121 can control up to twelve individual electrodes and features low power operation.
8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module
Item #: 85314602

8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module

Item #: 85314602

MGA 90288

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The MPR121 can control up to twelve individual electrodes and features low power operation.
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What Stands Out

Multi-Touch Support
The MPR121 module allows for multi-touch input, enabling users to create complex interfaces and applications, enhancing interaction capabilities compared to traditional button interfaces.
I2C Communication
With I2C communication capability, this breakout board ensures easy integration with microcontrollers, providing efficient data transfer and simplifying the connection process in various projects.
Versatile Applications
Ideal for DIY projects or prototyping, this sensor module can be employed in various applications, from musical keyboards to smart home devices, making it a valuable addition for hobbyists and developers alike.

Product Details

Shop 8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module online at a best price in Madagascar. B0BGLM26Z1
Item Weight0.5 lbs (230 grams)

Who Should Buy?

Suitable For
  • DIY Electronics Hobbyists

    Ideal for those who enjoy creating custom touch-controlled projects and wish to experiment with capacitive sensing technology.

  • Educational Purposes

    Great for teaching students about sensors, electronics, and I2C communication in a hands-on learning environment.

  • Prototyping Applications

    Perfect for developers and engineers looking to prototype interactive devices utilizing capacitive touch functionality quickly.

Not Suitable For
  • Industrial Applications

    Not suitable for harsh environments where resistance to dust, moisture, and physical disruption is critical.

  • Casual Users

    Not ideal for those seeking simple plug-and-play sensors without the need for programming or electronics knowledge.

  • Commercial Products

    May not meet the robustness and reliability requirements needed for mass-produced consumer electronics.

Product Description

8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the MPR121 Breakout V12 Capacitive Touch Sensor?

    Answer: The MPR121 Breakout V12 is a capacitive touch sensor module that allows multiple touch inputs through I2C communication. It features 12 capacitive touch inputs, which makes it ideal for various applications. This module is particularly useful in projects that require touch-sensitive interfaces, like custom keyboards or interactive displays. Its versatility allows developers to create innovative applications in DIY electronics, home automation, and robotics.
  • Question: How does the I2C communication work with the MPR121?

    Answer: The MPR121 uses the I2C (Inter-Integrated Circuit) protocol to communicate with microcontrollers such as Arduino and Raspberry Pi. I2C allows multiple devices to share a two-wire bus, making connections simpler and cleaner. You can easily connect the breakout board to any compatible I2C master device, enabling data exchange and control over the capacitive touch inputs. This method is ideal for complex projects requiring multiple sensor readings.
  • Question: Can I use the MPR121 sensor in a beginner electronics project?

    Answer: Absolutely! The MPR121 Breakout V12 is a great component for beginners looking to explore capacitive touch technology. With plenty of online resources and libraries available for Arduino and other platforms, you can start building projects like touch-sensitive lights or custom keyboards with minimal prior experience. It's a perfect way to practice programming and circuit assembly while creating interactive prototypes.
  • Question: What applications are suitable for the MPR121 Breakout V12?

    Answer: The MPR121 Breakout V12 is highly versatile and can be used in various applications ranging from music synthesizers, touch-based interfaces in gaming devices, to the automation of home lighting systems. By integrating this sensor, developers and hobbyists can create innovative user experiences that respond to touch input. It's suitable for both educational projects and commercial products, allowing for seamless interaction with technology.
  • Question: What kind of microcontrollers are compatible with the MPR121?

    Answer: The MPR121 Breakout V12 is compatible with a variety of microcontrollers that support I2C communication, including popular boards like Arduino, Raspberry Pi, and ESP8266. Most microcontroller platforms have libraries available that simplify integration and programming. This compatibility makes it a preferred choice for hobbyists and professionals looking to add touch-sensitive functionalities to their projects.
  • Question: What features make the MPR121 Breakout ideal for custom keyboards?

    Answer: The MPR121 Breakout V12 is ideal for custom keyboards due to its ability to detect multiple simultaneous touches, which is essential for keypress recognition. Additionally, its compact design and ease of integration with microcontrollers allow for creative layouts and designs. Users can program different responses to various touch patterns, leading to unique typing experiences and applications such as musical keyboards or gaming controllers.
  • Question: Is there a library available for programming the MPR121?

    Answer: Yes, there are multiple libraries available for programming the MPR121 Breakout V12, particularly for Arduino. Libraries facilitate easy setup and offer functions to manage touch detection and I2C communication. These resources help you get started quickly, allowing you to focus on your project’s functionality rather than the complexities of low-level programming. This support is crucial for both beginners and seasoned developers when prototyping.
  • Question: How accurate is the touch detection on the MPR121?

    Answer: The touch detection accuracy of the MPR121 Breakout V12 is quite high, thanks to its sensitivity settings adjustable via software. Users can calibrate the sensor for different environmental conditions to ensure reliable touch detection. This feature is particularly beneficial in projects requiring precise interactions, such as sensitive control interfaces or artistic projects that rely on varying touch pressure or gestures.
  • Question: What power supply requirements does the MPR121 have?

    Answer: The MPR121 Breakout V12 typically operates at 3.3V to 5V, making it compatible with most common microcontrollers. This wide voltage range allows for flexibility in power supply, whether you're working with battery-powered devices or standard USB power sources. Just ensure that the power requirements are met to maintain optimal performance and reliability in your projects.
  • Question: Where can I buy 8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module?

    Answer: You can buy the 8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module on Ubuy. Ubuy offers a wide variety of electronic components, including this sensor, available for delivery in Madagascar. The platform ensures a seamless shopping experience for customers looking to enhance their DIY electronics projects.

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Pros

  • High sensitivity capacitive sensing
  • Supports I2C communication protocol
  • Compact and easy to integrate
  • Multiple touch inputs (up to 12)
  • Robust community support and documentation

Cons

  • Occasional false triggering

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MGA 90288

Order now and get it around Monday, June 29

QTY:

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
Fastest cross-border delivery

Features & Benefits

  • Capacitive touch sensor controller with I2C interface.
  • Controls up to twelve individual electrodes.
  • Includes eight LED driving pins for enhanced functionality.
  • Operates at low power with a supply range of 1.71 V to 3.6 V.
  • Default I2C address configured at 0x5A for easy setup.
  • Designed for efficient performance with just 29μA supply current.