Arduino and App Inventor

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i'm using app inventor receiving device arduino. i'm using tutorial guide. problem want send multiple values android phone (i.e 2 potentiometers).they tweak serial.println serial1.println , serial2.println, know how to this?

https://www.youtube.com/watch?v=xjtxrxvauzg

quote
they tweak serial.println serial1.println , serial2.println, know how to this?

no, because not do.

how type 2 words, instead of one? how recognize there 2 words, instead of one?

the key delimiters, spaces between words.


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