Metal Detector Using Arduino

The Arduino-based metal detector explained in this project is basically a frequency meter which measures the resonating frequency time.

Sep 25, 2018

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embedded

arduino

Project description

Code

Source Code for Metal Detector using Arduino

1double pulse;
2void setup()
3{
4pinMode(11,INPUT);
5pinMode(13,OUTPUT);
6pinMode(8,OUTPUT);  
7}
8void loop()
9{
10digitalWrite(13,HIGH);
11delayMicroseconds(5000);
12digitalWrite(13,LOW);  
13delayMicroseconds(100);
14pulse = pulseIn(11,HIGH,5000);
15if(pulse > 920)
16{
17tone(8,  1);
18delay(3000);
19noTone(8);
20}
21}

double pulse;
void setup()
{
pinMode(11,INPUT);
pinMode(13,OUTPUT);
pinMode(8,OUTPUT);  
}
void loop()
{
digitalWrite(13,HIGH);
delayMicroseconds(5000);
digitalWrite(13,LOW);  
delayMicroseconds(100);
pulse = pulseIn(11,HIGH,5000);
if(pulse > 920)
{
tone(8,  1);
delay(3000);
noTone(8);
}
}

Source Code for Metal Detector using Arduino

1double pulse;
2void setup()
3{
4pinMode(11,INPUT);
5pinMode(13,OUTPUT);
6pinMode(8,OUTPUT);
7  
8}
9void loop()
10{
11digitalWrite(13,HIGH);
12delayMicroseconds(5000);
13digitalWrite(13,LOW);
14  
15delayMicroseconds(100);
16pulse = pulseIn(11,HIGH,5000);
17if(pulse > 920)
18{
19tone(8,
20  1);
21delay(3000);
22noTone(8);
23}
24}

double pulse;
void setup()
{
pinMode(11,INPUT);
pinMode(13,OUTPUT);
pinMode(8,OUTPUT);
  
}
void loop()
{
digitalWrite(13,HIGH);
delayMicroseconds(5000);
digitalWrite(13,LOW);
  
delayMicroseconds(100);
pulse = pulseIn(11,HIGH,5000);
if(pulse > 920)
{
tone(8,
  1);
delay(3000);
noTone(8);
}
}

Downloadable files

Metal Detector using Arduino

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