Ship to
/ EN / USD
Websites:
Global
FranceGermany
Shipping to:
United States
Language:
English (EN)
EnglishItalianoDeutschEspañolFrançaisPortuguêsSlovenčinaMagyarSlovenščinaLietuvių kalbaSvenskaΕλληνικάDansk עִברִיתHrvatski jezikPolskieLimba românăČeštinaNederlandsBulgarian日本語
Currency:
USD $
Save

The Shopping Cart is Empty!

Shop special deals
    Categories

    MPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry Pi

    Ship to:
    United States
    Select the desired shipping method
    Shipping Company Estimated Delivery Time Shipping Cost
    Priority Line5-14 business days$3.73
    Expedited Shipping5-14 business days$22.10
    *Please note: the shipping costs are only estimates; the actual shipping price will be shown on the order page.
    0 item(s) added
    View CartContinue Shopping

    Highlights

    • Capacitive touch sensor controller driven by an I2C interface
    • Four jumpers on the bottom of the board
    • No regulation on the board

    Specification

    General
    Model MPR121
    Quantity 1 Piece
    Specification
    Voltage 2.5 - 3.6VDC
    Package Contents
    1 x MPR121 Capacitive Touch Sensor module

    This is a breakout board for Freescale's MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.

    There a four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL and the interrupt pin to 10k pull-up resistors. If you don't require the pull-up resistors ,you can open the jumpers by cutting the trace connecting them.

    There is no regulation on the board, so the voltage supplied should be between 2.5 and 3.6VDC. The VREG pin is connected through a 0.1uF capacitor to ground, which means, unless you modify the board, you can't operate the MPR121 in low-supply voltage mode (1.71-2.75VDC).

    MPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry PiMPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry PiMPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry PiMPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry Pi

     

    Customer Photos

    Be the first to Upload A Photo of this product!

    Customer Videos

    Be the first to Upload A Video of this product!

    Customer Reviews

    0out of5
    Write A Review
    5 star
    0%
    4 star
    0%
    3 star
    0%
    2 star
    0%
    1 star
    0%
    Clear
    View all
    View all Photos Videos
    All star
    All star 5 star 4 star 3 star 2 star 1 star
    Most relevant
    Most relevantMost recentMost helpfulHighest ratedLowest rated

          Questions & Answers

          MPR121 Breakout I2C Capacitive Touch Sensor Controller Module For Arduino/Raspberry Pi
          Geekbuying's price match guarantee

          Fill in the details below for this product, after Geekbuying has verified the provided information, our sourcing team will get the best price possible.

          Item Code: 345170
          Please enter a valid email address

          Please make sure all the details filled in above are accurate. Our support team will send an email with a discounted offer if possible within 48 hours.

          Information submitted Our support team will send an email with a discounted offer if possible within 48 hours.
          Why buy from Geekbuying?
          Amazing offers

          Find best offers for smart gadgets at one place

          Easy & secure payments

          Pay directly via PayPal among other payment options

          Local stock & fast shipping

          Buy from local stock and ship within 24-hour

          Customer support

          24-hour customer support for all your queries

          Connect with us
          New Users Only
          $60.00 OFF

          Coupon * 5

          5 G-coins

          Instant Discount $5.00

          Easy & secure payments
          Local stock with fast shipping
          Customer support
          14-Day return policy
          Get Now