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
Arduino
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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