While working on my automated hydroponic system, I needed an app which could read serial data from the arduino (uno). And I came across the new serial component in the mit app inventor, but I had a few doubts.
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How does this component work? (I couldn’t quite understand the description on the website)
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Can I display various data with it? (Like I need the data from the ph sensor to go in one box and the data from the temperature sensor on another)
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can I view the data on an android device using an otg cable with an arduino.
And I also have another query regarding the control of 5v relay connected to an arduino from the app.