1. DIN 3

3.  int timer = 100;  void loop() {
 int ledPins[] = {  for (int thisPin = 0; thisPin <
 11, 12, 13, 6, 5, 3 }; pinCount; thisPin++) {
 int pinCount = 6;  digitalWrite(ledPins[thisPin],
 void setup() { HIGH);
 int thisPin;  delay(timer);
 for (int thisPin = 0; thisPin <  digitalWrite(ledPins[thisPin],
pinCount; thisPin++) { LOW);
 pinMode(ledPins[thisPin],  }
OUTPUT);  for (int thisPin = pinCount - 1;
 } thisPin >= 0; thisPin--) {
 } 
 digitalWrite(ledPins[thisPin],
HIGH);
 delay(timer);
 digitalWrite(ledPins[thisPin],
LOW);
 }
 }

4.  LM
35 IS USE TO MEASURE TO
TEMPERATURE OF SYSTEM.

7.  void setup() {
 Serial.begin(9600);
}
 voidloop() {
 int sensorValue =
analogRead(A0);

Serial.println(sensorV
alue, DEC);
}

11.  void setup() {
  pinMode(2, OUTPUT);
 pinMode(3, OUTPUT);
 // Arduino pin: 2,3,4,5,6,7,8  pinMode(4, OUTPUT);
 byte seven_seg_digits[10][7] = { {  pinMode(5, OUTPUT);
1,1,1,1,1,1,0 }, // = 0  pinMode(6, OUTPUT);
 { 0,1,1,0,0,0,0 }, // = 1  pinMode(7, OUTPUT);
 { 1,1,0,1,1,0,1 }, // = 2  pinMode(8, OUTPUT);
 { 1,1,1,1,0,0,1 }, // = 3  pinMode(9, OUTPUT);
 { 0,1,1,0,0,1,1 }, // = 4  writeDot(0); // start with the "dot" off
 { 1,0,1,1,0,1,1 }, // = 5  }
 { 1,0,1,1,1,1,1 }, // = 6
 { 1,1,1,0,0,0,0 }, // = 7  void writeDot(byte dot) {
 { 1,1,1,1,1,1,1 }, // = 8  digitalWrite(9, dot);
 { 1,1,1,0,0,1,1 } // = 9  }
 };


12.  Void
sevenSegWrite(byte  void loop() {
digit) {  for (byte count = 10;
 byte pin = 2; count > 0; --count) {
 for (byte segCount = 0;  delay(1000);
segCount < 7;  sevenSegWrite(count
++segCount) { - 1);
 digitalWrite(pin,  }
seven_seg_digits[digit][  delay(4000);
segCount]); }
 ++pin;
 }
}

14.  int sec1=3; void loop()
 int sec2=5; {
 int sec3=6;  sa =
 int temp=A0; analogRead(temp);
 int sem;  {
 int sa;  analogWrite(3,sa);
 void setup()  analogWrite(5,sa);
{  analogWrite(6,sa);
 pinMode(3, OUTPUT); }
 pinMode(5, OUTPUT); }
 pinMode(6, OUTPUT);
}