Arduino programming exercises using Uno Microcontroller Write a program that lights a green LED attached to pin 3. The green LED should turn off after a button attached to pin 4 has been pushed and released 3 times. Each time the button is pushed it will turn on a red LED attached to pin 7 and turn off a yellow LED attached to pin 9.  When the button is not pushed the red LED will be off and the yellow LED will turn on. Assume the button is wired active low.     Turn on green LED Leave it on Turn on yellow LED Leave it on Check the state of the button If the button is pressed             Add 1 to a counter variable             Turn off yellow LED             Turn on red LED             After the button is pressed, turn on yellow LED, turn off red LED If the counter is 3 or more (>2)             Turn off green LED

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Arduino programming exercises using Uno Microcontroller

Write a program that lights a green LED attached to pin 3. The green LED should turn off after a button attached to pin 4 has been pushed and released 3 times. Each time the button is pushed it will turn on a red LED attached to pin 7 and turn off a yellow LED attached to pin 9.  When the button is not pushed the red LED will be off and the yellow LED will turn on. Assume the button is wired active low.  

 

Turn on green LED

Leave it on

Turn on yellow LED

Leave it on

Check the state of the button

If the button is pressed

            Add 1 to a counter variable

            Turn off yellow LED

            Turn on red LED

            After the button is pressed, turn on yellow LED, turn off red LED

If the counter is 3 or more (>2)

            Turn off green LED

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