Working with serial

This week we started working with the Arduino and serial.

Here I have two potentiometers and a push button:

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Using one sensor, I uploaded the example code to display the sensor value in different ways:

 

Screen Shot 2015-10-13 at 2.49.27 PM

We learned how to write to three sensors and view the data in the serial monitor:

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Next we learned how to use the arduino to send values from an analog sensor via serial to the p5 IDE.

My favorite friend the sliding 10K pot:

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The arduino code to write the single sensor value in binary to serial is pretty simple:

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Here is the p5 sketch working with it. It is printing the serial value as text:

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Next I mapped this data into a graph:

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It was really exciting to get the two potentiometers and the push button to talk to p5 at the same time via serial:

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