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>60) dist = 60; } 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 //Pause Modes -Hold if ((distL >40 && distR>40) && (distL <60 && distR<60)) //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 ("Volume Increased"); delay (300);} if (distL>20) //Hand pulled out {Serial.println ("Volume Decreased"); delay (300);} } } } //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); }