Welcome Audio by using PIR sensor

How to make Welcome Audio by using PIR sensor

Jun 6, 2020

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Devices & Components

Arduino Uno Rev3

Breadboard (generic)

3watt Speaker

SD card module

Jumper wires (generic)

BD139 Transistor

PIR Sensor

Project description

Code

arduino

1#include "SD.h"
2#define SD_ChipSelectPin 4
3#include "TMRpcm.h"
4#include  "SPI.h"
5
6TMRpcm tmrpcm;
7
8void setup()
9{
10  
11
12pinMode(7,INPUT);
13delay(500);
14}
15
16void  loop()
17{
18
19if(digitalRead(7)==HIGH)
20{
21 
22  AudioPlay();
23  delay(3000);
24  }
25  }
26
27void AudioPlay()
28{ 
29tmrpcm.speakerPin = 9;
30Serial.begin(9600);
31if  (!SD.begin(SD_ChipSelectPin)) {
32Serial.println("SD fail");
33return;
34}
35
36tmrpcm.setVolume(5);
37tmrpcm.play("welcome.wav");
38}

#include "SD.h"
#define SD_ChipSelectPin 4
#include "TMRpcm.h"
#include  "SPI.h"

TMRpcm tmrpcm;

void setup()
{
  

pinMode(7,INPUT);
delay(500);
}

void  loop()
{

if(digitalRead(7)==HIGH)
{
 
  AudioPlay();
  delay(3000);
  }
  }

void AudioPlay()
{ 
tmrpcm.speakerPin = 9;
Serial.begin(9600);
if  (!SD.begin(SD_ChipSelectPin)) {
Serial.println("SD fail");
return;
}

tmrpcm.setVolume(5);
tmrpcm.play("welcome.wav");
}

Downloadable files

sd_card_connection_lWcdPd77JX.jpg

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