#define sensor2 A1//IR SENSOR -1 #define sensor3 A2//IR SENSOR -2 void setup() { pinMode(11,OUTPUT);// connect LED pinMode(sensor1,INPUT); pinMode(sensor2,INPUT); Serial.begin(9600); } int count=0; void loop() { const int s2=analogRead(sensor2);//TAKE INPUT FROM THE ANALOG PIN WHICH IS CONNECTED TO SENSORS const int s3=analogRead(sensor3);// " Serial.print(s2); Serial.print(" "); Serial.print(s3); Serial.println(); if(s2<200)// Adjust value according to your sensors { delay(700); count++; } if(s3<200)// " { count=count-1; delay(700); } if(count!=0) { digitalWrite(11,HIGH); } else { digitalWrite(11,LOW); } Serial.print(" "); Serial.print(count); Serial.println(); }