Range of Securities

Combination of an Arduino Uno and ultrasonic sensor for security in different ranges.

Feb 20, 2019

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lights

sensor

uno

Components and supplies

Buzzer

Ultrasonic Sensor - HC-SR04 (Generic)

Arduino UNO

Breadboard (generic)

Resistor 1k ohm

LED (generic)

Apps and platforms

Arduino IDE

Project description

Code

csharp

Just type the code in the arduino ide and upload it.

1#define trigPin 2
2#define echoPin 3
3#define LEDlampRed 4
4#define  LEDlampYellow 5
5#define LEDlampGreen 6
6#define soundbuzzer 7
7int sound  = 500;
8
9void setup() {
10Serial.begin (9600);
11pinMode(trigPin, OUTPUT);
12pinMode(echoPin,  INPUT);
13pinMode(LEDlampRed, OUTPUT);
14pinMode(LEDlampYellow, OUTPUT);
15pinMode(LEDlampGreen,  OUTPUT);
16pinMode(soundbuzzer, OUTPUT);
17}
18void loop() {
19long durationindigit,  distanceincm;
20digitalWrite(trigPin, LOW);
21delayMicroseconds(2);
22digitalWrite(trigPin,  HIGH);
23delayMicroseconds(10);
24digitalWrite(trigPin, LOW);
25durationindigit  = pulseIn(echoPin, HIGH);
26distanceincm = (durationindigit/5) / 29.1;
27
28if  (distanceincm < 50) {
29digitalWrite(LEDlampGreen, HIGH);
30}
31else {
32digitalWrite(LEDlampGreen,  LOW);
33}
34
35if (distanceincm < 20) {
36digitalWrite(LEDlampYellow, HIGH);
37}
38else  {
39digitalWrite(LEDlampYellow,LOW);
40}
41if (distanceincm < 5) {
42digitalWrite(LEDlampRed,  HIGH);
43sound = 1000;
44}
45else {
46digitalWrite(LEDlampRed,LOW);
47}
48
49if  (distanceincm > 5 || distanceincm <= 0){
50Serial.println("Outside the permissible  range of distances");
51noTone(soundbuzzer);
52}
53else {
54Serial.print(distanceincm);
55Serial.println("  cm");
56tone(soundbuzzer, sound);
57}
58
59delay(300);
60}

#define trigPin 2
#define echoPin 3
#define LEDlampRed 4
#define  LEDlampYellow 5
#define LEDlampGreen 6
#define soundbuzzer 7
int sound  = 500;

void setup() {
Serial.begin (9600);
pinMode(trigPin, OUTPUT);
pinMode(echoPin,  INPUT);
pinMode(LEDlampRed, OUTPUT);
pinMode(LEDlampYellow, OUTPUT);
pinMode(LEDlampGreen,  OUTPUT);
pinMode(soundbuzzer, OUTPUT);
}
void loop() {
long durationindigit,  distanceincm;
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
digitalWrite(trigPin,  HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
durationindigit  = pulseIn(echoPin, HIGH);
distanceincm = (durationindigit/5) / 29.1;

if  (distanceincm < 50) {
digitalWrite(LEDlampGreen, HIGH);
}
else {
digitalWrite(LEDlampGreen,  LOW);
}

if (distanceincm < 20) {
digitalWrite(LEDlampYellow, HIGH);
}
else  {
digitalWrite(LEDlampYellow,LOW);
}
if (distanceincm < 5) {
digitalWrite(LEDlampRed,  HIGH);
sound = 1000;
}
else {
digitalWrite(LEDlampRed,LOW);
}

if  (distanceincm > 5 || distanceincm <= 0){
Serial.println("Outside the permissible  range of distances");
noTone(soundbuzzer);
}
else {
Serial.print(distanceincm);
Serial.println("  cm");
tone(soundbuzzer, sound);
}

delay(300);
}

Downloadable files

Circuit

Connect by this guide

Circuit

Connect by this guide

Circuit

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