Harish Projects

...............Diagram.............                                         ....................... Arduino Code............................. #include <Servo.h> //import library       Servo myservo;  int led = 13;   Servo myservo1;    int led1 = 12;                               void setup()  {       pinMode(led, OUTPUT);     myservo.attach(9, 500, 2500);      pinMode(led1, OUTPUT);   myservo1.attach(10, 500, 2500); }        void loop()  {        // Rotate Servo 3 by 180 degree   myservo.write(90);   myservo1.write(0);   delay(10);   digitalWrite(led, HIGH);      delay(8000);                 digitalWrite(led, LOW);        myservo.write(0);   myservo1.write(0);   delay(1000);    myservo.write(0);   myservo1.write(90);   delay(10);     digitalWrite(led1, HIGH);      delay(8000);                  digitalWrite(led1, LOW);       myservo.write(0);   myservo1.write(0);   delay(1000);                //    }  

                                                                               Diagram                                                     .......................Arduino code............................. /*  * Created by ArduinoGetStarted.com  *  * This example code is in the public domain  *  * Tutorial page: https://arduinogetstarted.com/tutorials/arduino-ultrasonic-sensor-servo-motor  */ #include <Servo.h> // constants won't change const int TRIG_PIN  = 6;  // Arduino pin connected to Ultrasonic Sensor's TRIG pin const int ECHO_PIN  = 7;  // Arduino pin connected to Ultrasonic Sensor's ECHO pin const int SERVO_PIN = 9; // Arduino pin connected to Servo Motor's pin const int DISTANCE_THRESHOLD = 50; // centimeters Servo servo; // create servo object to control a servo // variables will change: float duration_us, distance_cm; void setup() {   Serial.begin (9600);       // initialize serial port   pinMode(TRIG_PIN, OUTPUT); // set arduino pin to output mode   pinM

                              Project Diagram ...............................Arduino Code................................. int soundPin = A0; int LED1 = 2; int LED2 = 3; int LED3 = 4; int LED4 = 5; int LED5 = 6; int LED6 = 7; int LED7 = 8; int LED8 = 9; void setup() { Serial.begin(9600); pinMode(LED1, OUTPUT); pinMode(LED2, OUTPUT); pinMode(LED3, OUTPUT); pinMode(LED4, OUTPUT); pinMode(LED5, OUTPUT); pinMode(LED6, OUTPUT); pinMode(LED7, OUTPUT); pinMode(LED8, OUTPUT); } void loop() { long sum = 0; for(int i=0; i<100; i++) // taking 100 sample of sound { sum += analogRead(soundPin); } sum = sum/100; // average the sample of sound if (sum>=100) digitalWrite(LED1, HIGH); else digitalWrite(LED1, LOW); if (sum>=200) digitalWrite(LED2, HIGH); else digitalWrite(LED2, LOW); if (sum>=300) digitalWrite(LED3, HIGH); else digitalWrite(LED3, LOW); if (sum>=350) digitalWrite(LED4, HIGH); else digitalWrite(LED4, LOW); if (sum>=400) digitalWrite(LED5, HIGH); else digitalWrite(LED