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Hello, I would like to use Teensy audio adaptor board together with Adafruit capacitive touch sensor breakout MPR121 which use also I2C as audio board. https://www.adafruit.com/product/1982 I've connected MPR121 to pins 29 (SCL) + 30 (SDA). Audioboard uses 18,19 for I2C. I don't know how to...