Arduino programming part1 - Computer Action...

living with the lab

Introduc)on to Arduino Programming

arduino.cc

Gerald Recktenwald Portland State University [email protected]

references these notes borrow from . . . –  Arduino web site

•  h@p://arduino.cc/en/Guide/Environment •  h@p://arduino.cc/en/Tutorial/HomePage

–  Adafruit tutorial #1 and 2 •  h@p://www.ladyada.net/learn/arduino/lesson2.html

–  Leah Buechley’s Introduc)on to Arduino •  h@p://web.media.mit.edu/~leah/LilyPad/03_arduino_intro.html

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wri)ng and downloading code

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running Code while tethered

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running code stand-‐alone

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Arduino IDE IDE = Integrated Development Environment

http://www.arduino.cc/en/Guide/Environment!

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code structure: header

header provides informa)on and can also contain code

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code structure: setup func)on

setup func)on is executed only once at the start

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code structure: loop func)on

loop func)on is repeated indefinitely

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digital I/O func)ons: •  pinMode •  digitalWrite •  digitalRead

pinMode(13, Output)!prepares pin 13 for outputs of voltage

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digitalWrite(13, HIGH)!sets pin 13 to a voltage that means “on” (five volts in this case)

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delay(1000);!tells microcontroller to do nothing for 1000 ms = 1 s

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digitalWrite(13, LOW) !sets pin 13 to voltage that means “off” or zero volts

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Arduino programming part1 - Computer Action...

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