Zachary HunnicuttJackson Stone
Published © GPL3+

Motion Activated Alarm System

Motion Activated Alarm System!

BeginnerFull instructions provided1,661
Motion Activated Alarm System

Things used in this project

Hardware components

Photon
Particle Photon
×2
PIR Motion Sensor (generic)
PIR Motion Sensor (generic)
×1
Buzzer
Buzzer
×1
Breadboard (generic)
Breadboard (generic)
×2
LED (generic)
LED (generic)
×1
Male/Female Jumper Wires
Male/Female Jumper Wires
×10
Jumper wires (generic)
Jumper wires (generic)
×11
Pushbutton switch 12mm
SparkFun Pushbutton switch 12mm
×1
OLED display
×1

Software apps and online services

Maker service
IFTTT Maker service

Story

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Schematics

PIR Setup

Buzzer and OLED Setup

Code

PIR Code

C/C++
int inputPin = D0;              // choose the input pin (for PIR sensor)
int ledPin = D1;                // LED Pin
int pirState = LOW;             // we start, assuming no motion detected
int val = 0;                    // variable for reading the pin status

int calibrateTime = 10000;      // wait for the calibration

void setup()
{
  pinMode( ledPin, OUTPUT );
  pinMode(inputPin, INPUT);     // declare sensor as input
}

void loop()
{

  // if the sensor is calibrated
  if ( calibrated() )
  {
  // get the data from the sensor
    readTheSensor();

    // report it out, if the state has changed
    reportTheData();
  }
}

void readTheSensor() {
  val = digitalRead(inputPin);
}

bool calibrated() {
  return millis() - calibrateTime > 0;
}

void reportTheData() {

  // if the sensor reads high
  // or there is now motion
  if (val == HIGH) {

    // the current state is no motion
    // i.e. it's just changed
    // announce this change by publishing an eent
    if (pirState == LOW) {
      // we have just turned on
      Particle.publish("designingiot/s15/motion");
      // Update the current state
      pirState = HIGH;
      setLED( pirState );
    }
  } else {
    if (pirState == HIGH) {
      // we have just turned of
      // Update the current state
      pirState = LOW;
      setLED( pirState );
    }
  }
}

void setLED( int state )
{
  digitalWrite( ledPin, state );
}

Buzzer Code

C/C++
// This #include statement was automatically added by the Particle IDE.
#include "Adafruit_SSD1306/Adafruit_SSD1306.h"
int intruders = 0;
int buzz = D0;
int butt = D3;
#define OLED_DC     D2
#define OLED_CS     D4
#define OLED_RESET  D5
Adafruit_SSD1306 display(OLED_DC, OLED_RESET, OLED_CS);
 int  x, minX;
void setup() {
    pinMode(butt, INPUT_PULLUP);
    pinMode(buzz, OUTPUT);
    digitalWrite(buzz, LOW);
    Particle.subscribe("designingiot/s15/motion", myHandler, "33002c000947353138383138" );
display.begin(SSD1306_SWITCHCAPVCC);

  display.setTextSize(4);       // text size
  display.setTextColor(WHITE); // text color
  display.setTextWrap(false); // turn off text wrapping so we can do scrolling
  
   display.clearDisplay();
    display.setCursor(2, 2);
    display.print("SAFE");
    display.display();
 

}
void myHandler(const char *event, const char *data)
{
    
    
    if (data)
        digitalWrite(buzz, HIGH);
        intruders = intruders+1;
        Particle.publish("Intruders",String(intruders));
   
    
    
}


   


void loop() {
    
   
int pushButtonState;
 pushButtonState = digitalRead(butt);
 if(pushButtonState == LOW)
        digitalWrite(buzz, LOW);  
    else
     Serial.println("NULL");
     
int buzzstate;
buzzstate = digitalRead(buzz);
     
    if (buzzstate == HIGH)
        {
            display.clearDisplay();
        display.setCursor(2, 2);
        display.print("ALARM");
        display.display();
        }
     
        else if (buzzstate == LOW)
        { 
            display.clearDisplay();
    display.setCursor(2, 2);
    display.print("SAFE");
    display.display();

    }
    else {}
}

Credits

Zachary Hunnicutt

Zachary Hunnicutt

1 project • 0 followers
Jackson Stone

Jackson Stone

1 project • 0 followers

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