Arduino-project-code

ECE Arduino project code

code starts from 6th line

/*Developer: Souparna Chowdhury~BongTechSolutions */

#define trigger 9
#define echo 8 #define RED 2 #define YELLOW 3 #define GREEN 4 #define buzzer 5

float time=0,distance=0; //Time and Distance variables initialized as 0. void measure_distance();

void setup() { pinMode(trigger,OUTPUT); pinMode(echo,INPUT); pinMode(RED,OUTPUT); pinMode(YELLOW,OUTPUT); pinMode(GREEN,OUTPUT); pinMode(buzzer,OUTPUT);

delay(2000); //Delay provided to configure the i/o pins }

void loop() { measure_distance(); if(distance<10){ digitalWrite(RED,HIGH); digitalWrite(YELLOW,LOW); digitalWrite(GREEN,LOW); digitalWrite(buzzer,HIGH); } else if((distance<30)&&(distance>10)){ digitalWrite(RED,LOW); digitalWrite(YELLOW,HIGH); digitalWrite(GREEN,LOW); digitalWrite(buzzer,LOW); } else{ digitalWrite(RED,LOW); digitalWrite(YELLOW,LOW); digitalWrite(GREEN,HIGH); digitalWrite(buzzer,LOW); } }

void measure_distance() { digitalWrite(trigger,LOW); delayMicroseconds(2); digitalWrite(trigger,HIGH); delayMicroseconds(10); digitalWrite(trigger,LOW); delayMicroseconds(2); time=pulseIn(echo,HIGH);

distance=time*340/20000; }