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
物品 #: 85314602

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

物品 #: 85314602

HKD 158

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現在訂購，約可在下列時間收貨： Monday, 七月 06
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The MPR121 can control up to twelve individual electrodes and features low power operation.
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產品詳情

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

產品敘述

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

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客戶問題＆回答

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

    回答: 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.
  • 題: How does the I2C communication work with the MPR121?

    回答: 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.
  • 題: Can I use the MPR121 sensor in a beginner electronics project?

    回答: 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.
  • 題: What applications are suitable for the MPR121 Breakout V12?

    回答: 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.
  • 題: What kind of microcontrollers are compatible with the MPR121?

    回答: 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.
  • 題: What features make the MPR121 Breakout ideal for custom keyboards?

    回答: 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.
  • 題: Is there a library available for programming the MPR121?

    回答: 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.
  • 題: How accurate is the touch detection on the MPR121?

    回答: 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.
  • 題: What power supply requirements does the MPR121 have?

    回答: 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.
  • 題: Where can I buy 8PCS MPR121 Breakout V12 Capacitive Touch Sensor I2C Keyboard Development Board Controller Module?

    回答: 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 Hong Kong. The platform ensures a seamless shopping experience for customers looking to enhance their DIY electronics projects.

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HKD 158

現在訂購，約可在下列時間收貨： Monday, 七月 06

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
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特色和優勢

  • 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.