Difference between revisions of "Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121 (Q779555)"
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Latest revision as of 00:00, 29 May 2022
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Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121
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Rev E
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auto
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Electronics
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Other
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CC BY-SA
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https://spdx.org/licenses/CC-BY-SA-4.0
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Electronics
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Adafruit Industries, LLC
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United States of America
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oshwa.org
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2021-03-02T00:00:00-05:00
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The MPR121 has support for only I2C, which can be implemented with nearly any microcontroller. You can select one of 4 addresses for a total of 48 capacitive touch pads on one I2C 2-wire bus. Using this chip is a lot easier than doing the capacitive sensing with analog inputs. This sensor uses a 4-pin Sparkfun Qwiic-compatible connector called STEMMA QT, which allows the sensor to communicate over I2C without soldering. Click the link labeled 'Project Website' to find out more.
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en
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['Electronics']
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certification.oshwa.org
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MIT
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