Gesture_Control_1.0.ino

 
/*
 * GESTURE CONTROL PROJECT
 * PYTHON AND ARDUINO
 * SEMESTER_1  (2018-19)
 * TEJAS DEEPAK AMLE (E18CSE190)
 * SUNEET JAIN       (E18CSE182)
 * YASH BANSAL       (E18CSE216)
 * BENNETT UNIVERSITY
 */

/*
 * By the help of this project you can control VLC player to Play/Pause and Volume Up or Down and Rewind/Forward by using hand gestures.
 */
 
const int trigger1 = 2;      //Trigger pin of 1st Sesnor
const int echo1 = 3;         //Echo pin of 1st Sesnor
const int trigger2 = 4;      //Trigger pin of 2nd Sesnor
const int echo2 = 5;         //Echo pin of 2nd Sesnor

long time_taken;
int dist,distL,distR;

 

void setup() {
Serial.begin(9600); 
  
pinMode(trigger1, OUTPUT); 
pinMode(echo1, INPUT); 
pinMode(trigger2, OUTPUT); 
pinMode(echo2, INPUT); 
}

/*###Function to calculate distance###*/

void calculate_distance(int trigger, int echo)
{
digitalWrite(trigger, LOW);
delayMicroseconds(2);
digitalWrite(trigger, HIGH);
delayMicroseconds(10);
digitalWrite(trigger, LOW);

time_taken = pulseIn(echo, HIGH);
dist= time_taken*0.034/2;
if (dist>50)
dist = 50;
}

void loop() {                        //infinite loopy
calculate_distance(trigger1,echo1);
distL =dist;                         //get distance of left sensor

calculate_distance(trigger2,echo2);
distR =dist;                         //get distance of right sensor

//Uncomment for debudding
/*Serial.print("L=");
Serial.println(distL);
Serial.print("R=");
Serial.println(distR);
*/

//Pause Modes -Hold
if ((distL >40 && distR>40) && (distL <50 && distR<50))    //Detect both hands
{Serial.println("Play/Pause"); delay (500);}

calculate_distance(trigger1,echo1);
distL =dist;

calculate_distance(trigger2,echo2);
distR =dist;

 

//Control Modes
//Lock Left - Control Mode

if (distL>=13 && distL<=17)
{
  delay(100);                                  //Hand Hold Time
  calculate_distance(trigger1,echo1);
  distL =dist;
  if (distL>=13 && distL<=17)
  {
    Serial.println("Left Locked");
    while(distL<=40)
    {
      calculate_distance(trigger1,echo1);
      distL =dist;
      if (distL<10)                            //Hand pushed in 
      {Serial.println ("Vup"); delay (100);}
      if (distL>20)                            //Hand pulled out
      {Serial.println ("Vdown"); delay (100);}
    }
  }
}

//Lock Right - Control Mode

if (distR>=13 && distR<=17)
{
  delay(100);                                  //Hand Hold Time
  calculate_distance(trigger2,echo2);
  distR =dist;
  if (distR>=13 && distR<=17)
  {
    Serial.println("Right Locked");
    while(distR<=40)
    {
      calculate_distance(trigger2,echo2);
      distR =dist;
      if (distR<10)                           //Right hand pushed in
      {Serial.println ("Rewind"); delay (300);}
      if (distR>20)                           //Right hand pulled out
      {Serial.println ("Forward"); delay (300);}
  }
}
}

delay(200);
}