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MPR121 Breakout V12 Capacitive Touch Sensor Controller Module I2C keyboard Development Board|Integrated Circuits| - AliExpress
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![Serial data connection between the I2C controller and the audio codec. | Download Scientific Diagram Serial data connection between the I2C controller and the audio codec. | Download Scientific Diagram](https://www.researchgate.net/publication/312285674/figure/fig1/AS:1184590060363776@1659439687410/Serial-data-connection-between-the-I2C-controller-and-the-audio-codec.png)
Serial data connection between the I2C controller and the audio codec. | Download Scientific Diagram
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