Arduino

Arduino is an open-source physical computing platform designed to make experimenting with electronics more fun and intuitive. Arduino has its own unique, simplified programming language, a vast support network, and thousands of potential uses, making it the perfect platform for both beginner and advanced DIY enthusiasts.

Circuit 1

void setup()

pinMode(13, OUTPUT);

void loop()

digitalWrite(13, HIGH);

delay(1000);

digitalWrite(13, LOW);

delay(1000);

void setup()

pinMode(13, OUTPUT);

void loop()

digitalWrite(13, HIGH);

delay(9000);

digitalWrite(13, LOW);

delay(1000);

Circuit 2

int sensorPin = 0;

int ledPin = 13;

void setup(

pinMode(ledPin, OUTPUT);

void loop()

int sensorValue;

delay(sensorValue);

sensorValue = analogRead(sensorPin);

digitalWrite(ledPin, HIGH);

delay(sensorValue);

digitalWrite(ledPin, LOW);

delay(sensorValue);

Circuit 3

Change Green_pin to Pink_pin

const int RED_PIN = 9;

const int GREEN_PIN = 10;

const int BLUE_PIN = 11;

int DISPLAY_TIME = 100; // In milliseconds

void setup()

pinMode(RED_PIN, OUTPUT);

pinMode(GREEN_PIN, OUTPUT);

pinMode(BLUE_PIN, OUTPUT);

void loop()

void mainColors()

digitalWrite(RED_PIN, LOW);

digitalWrite(GREEN_PIN, LOW);

digitalWrite(BLUE_PIN, LOW);

delay(1000);

digitalWrite(RED_PIN, HIGH);

digitalWrite(GREEN_PIN, LOW);

digitalWrite(BLUE_PIN, LOW

delay(1000);

digitalWrite(RED_PIN, LOW);

digitalWrite(GREEN_PIN, HIGH);

digitalWrite(BLUE_PIN, LOW);

delay(1000);

digitalWrite(RED_PIN, LOW);

digitalWrite(GREEN_PIN, LOW);

digitalWrite(BLUE_PIN, HIGH);

delay(1000);

digitalWrite(RED_PIN, HIGH);

digitalWrite(GREEN_PIN, HIGH);

digitalWrite(BLUE_PIN, LOW);

delay(1000);

digitalWrite(RED_PIN, LOW);

digitalWrite(GREEN_PIN, HIGH);

digitalWrite(BLUE_PIN, HIGH);

delay(1000);

digitalWrite(RED_PIN, HIGH);

digitalWrite(GREEN_PIN, LOW);

digitalWrite(BLUE_PIN, HIGH);

delay(1000);

Circuit 4

digitalWrite(ledPins[0], HIGH); //Turns on LED #0 (pin 2)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[1], HIGH); //Turns on LED #1 (pin 3)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[2], HIGH); //Turns on LED #2 (pin 4)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[3], HIGH); //Turns on LED #3 (pin 5)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[4], HIGH); //Turns on LED #4 (pin 6)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[5], HIGH); //Turns on LED #5 (pin 7)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[6], HIGH); //Turns on LED #6 (pin 8)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[7], HIGH); //Turns on LED #7 (pin 9)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[7], LOW); //Turn off LED #7 (pin 9)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[6], LOW); //Turn off LED #6 (pin 8)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[5], LOW); //Turn off LED #5 (pin 7)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[4], LOW); //Turn off LED #4 (pin 6)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[3], LOW); //Turn off LED #3 (pin 5)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[2], LOW); //Turn off LED #2 (pin 4)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[1], LOW); //Turn off LED #1 (pin 3)

delay(delayTime); //wait delayTime milliseconds

digitalWrite(ledPins[0], LOW); //Turn off LED #0 (pin 2)

delay(delayTime); //wait delayTime milliseconds

for(index = 7; index >= 0; index--)

digitalWrite(ledPins[index], LOW);

delay(delayTime);

oneOnAtATime()

void oneOnAtATime(

int delayTime = 1000

for(index = 0; index <= 7; index++)

digitalWrite(ledPins[index], HIGH);

delay(delayTime);

digitalWrite(ledPins[index], LOW);

void pingPong()

int index;

int delayTime = 100;

// step through the LEDs, from 0 to 7

for(index = 0; index <= 7; index++)

digitalWrite(ledPins[index], HIGH);

delay(delayTime);

digitalWrite(ledPins[index], LOW);

for(index = 7; index >= 0; index--

digitalWrite(ledPins[index],

delay(delayTime);

digitalWrite(ledPins[index], LOW); ]\

/*

marquee()

This function will mimic "chase lights" like those around signs.

*/

void marquee()

{

int index;

int delayTime = 200; // milliseconds to pause between LEDs

// Make this smaller for faster switching

// Step through the first four LEDs

// (We'll light up one in the lower 4 and one in the upper 4)

for(index = 0; index <= 3; index++) // Step from 0 to 3

{

digitalWrite(ledPins[index], HIGH); // Turn a LED on

digitalWrite(ledPins[index+4], HIGH); // Skip four, and turn that LED on

delay(delayTime); // Pause to slow down the sequence

digitalWrite(ledPins[index], LOW); // Turn the LED off

digitalWrite(ledPins[index+4], LOW); // Skip four, and turn that LED off

}

}

/*

randomLED()

This function will turn on random LEDs. Can you modify it so it

also lights them for random times?

*/

void randomLED()

{

int index;

int delayTime;

// The random() function will return a semi-random number each

// time it is called. See http://arduino.cc/en/Reference/Random

// for tips on how to make random() even more random.

index = random(8); // pick a random number between 0 and 7

delayTime = 100;

digitalWrite(ledPins[index], HIGH); // turn LED on

delay(delayTime); // pause to slow down

digitalWrite(ledPins[index], LOW); // turn LED off

}

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