Arduino tutorial #1

Arduino tutorial #1

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  1 Dong Ho Son POSTECH Pohang,Korea donghoson@postech.ac.kr Arduino Tutorial #1 - Turn on/off the LED -
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  2 Turn on theLED - Overview  Let’s turn on the LED • Simple code • Turn on the built-in LED − Built-in LED for test − Internally connected to digital pin #13 Source: pixabay.com/photo-2168193
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  3 Turn on theLED - Sketch  setup() { } • pinMode(13, OUTPUT); − Prepare the mode of pin − We will use pin #13 − We will order to LED  OUTPUT  loop() { } • digitalWrite(13, HIGH); • Write digital value to the board − We will use pin #13 − Turn on == HIGH
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  4 Turn on theLED - Result  Built-in LED is turned on! LED ON Source: pixabay.com/photo-2168193
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  5 Turn off theLED - Overview  Let’s turn off the LED • Simple code • Turn off the built-in LED Source: pixabay.com/photo-2168193
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  6 Turn off theLED - Sketch  setup() { } • pinMode(13, OUTPUT); − Prepare the mode of pin − We will use pin #13 − We will order to LED  OUTPUT  loop() { } • digitalWrite(13, LOW); • Write digital value to the board − We will use pin #13 − Turn off == LOW
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  7 Turn off theLED - Result  Built-in LED is turned off! LED OFF Source: pixabay.com/photo-2168193