Abdulaziz AlrushaydAli Alsaihati
Published

Recall your stuff

A device that you rely on everyday in order to save you time to go back home if you forget anything important back in your house.

IntermediateFull instructions provided7 hours1,252
Recall your stuff

Things used in this project

Hardware components

Photon
Particle Photon
×2
Breadboard (generic)
Breadboard (generic)
×2
PIR Motion Sensor (generic)
PIR Motion Sensor (generic)
×2
Buzzer
Buzzer
×1
RFID reader (generic)
×1

Software apps and online services

Particle Pi
Particle Pi
ThingSpeak API
ThingSpeak API

Story

Read more

Code

1st sensor

C/C++
// This #include statement was automatically added by the Particle IDE.
#include <SparkIntervalTimer.h>

// This #include statement was automatically added by the Particle IDE.
#include <ThingSpeak.h>

#include "RFID.h"

/* Define the pins used for the SS (SDA) and RST (reset) pins for BOTH hardware and software SPI */
/* Change as required */
#define SS_PIN      A2      // Same pin used as hardware SPI (SS)
#define RST_PIN     D3

/* Define the pins used for the DATA OUT (MOSI), DATA IN (MISO) and CLOCK (SCK) pins for SOFTWARE SPI ONLY */
/* Change as required and may be same as hardware SPI as listed in comments */
#define MOSI_PIN    A5      // hardware SPI: A5
#define MISO_PIN    A4      //     "     " : A4
#define SCK_PIN     A3      //     "     " : A3

/* Create an instance of the RFID library */
#if defined(_USE_SOFT_SPI_)
    RFID RC522(SS_PIN, RST_PIN, MOSI_PIN, MISO_PIN, SCK_PIN);    // Software SPI
#else
    RFID RC522(SS_PIN, RST_PIN);                                 // Hardware SPI
#endif



int sensorValue=D0; //Declare PIR Sensors Input
int carddetected=false; //Declare Initial condition for state of Tag
int ledpin=D7; //Declare pin to indicate if motion is detected and Tag is read by reader 
unsigned long pirtimer=0; //Declare timer toscan Tag
int val=0;  //Value to store sensors input
int value=0;
unsigned long motioncount=millis();


void setup()
{ 
  Serial.begin(9600);
  
#if !defined(_USE_SOFT_SPI_)
  /* Enable the HW SPI interface */
  SPI.setDataMode(SPI_MODE0);
  SPI.setBitOrder(MSBFIRST);
  SPI.setClockDivider(SPI_CLOCK_DIV8);
  SPI.begin();
#endif

  /* Initialise the RFID reader */
  RC522.init();
  pinMode(ledpin, OUTPUT);
  pinMode(sensorValue, INPUT); 
  
  
}



void loop()
{
   
   
    val= digitalRead(sensorValue); //Sensor value is stored in val
  if (val==1){                    //If motion is detected it D0 returns 1
      //Particle.publish("Motion detected", "motion"); //Photon publishes event when motion is detected 
      
       value++;
       Particle.publish("thingSpeakWrite_A0", "{ \"1\": \"" + String(value) + "\", \"k\": \"Put your Write API here from Thingspeak\" }", PRIVATE);
      pirtimer=millis(); //Initial time is stored in pirtimer
      while (pirtimer>(millis()-10000)){    //This mean the loop will run for 10secs. The user have 10secs to scan tag
            
         if (RC522.isCard()){   //This statement becomes true if RFID tag is detected
            // Particle.publish("photon_rfid_completed", "ON");
            carddetected=true; //This will be used later to decide what event to publish to the second photon
            digitalWrite(ledpin,HIGH); //The on board led turns on to indicate tag was scanned
         }
       }    
      if (carddetected==true){  
         
          Particle.publish("photon_rfid_completed", "Detected", PRIVATE); //Photon publishes this event if condition istrue
           carddetected=false;   //Returns state back to default
        }
        else
        {
         Particle.publish("photon_rfid_completed", "Not_Detected", PRIVATE);
         
        }
      
  
    digitalWrite(ledpin,LOW); //Returns on-board led to its initial state
   if (motioncount < (millis()-300000)){
       value=0;
       motioncount=millis();
      }
  
  }
  delay(1000);
  
}

2nd sensor

C/C++
// Initialize some variables we'll need
int motionSensorPin = D0;
int boardLed = D7;
int buzzer=D1;
int val=0;
int sensorValue;
unsigned long pirtimer;

void setup() {

Serial.begin(230400);
pinMode(motionSensorPin, INPUT);
pinMode(buzzer, OUTPUT );

pinMode(boardLed,OUTPUT); // Our on-board LED output

Particle.subscribe("photon_rfid_completed", Buzz_Notifier, MY_DEVICES); //remove MY_DEVICES if you wish to receive events from other particle accounts.

}

void Buzz_Notifier(const char *event, const char *data)
{
    pirtimer=millis();
while (pirtimer>(millis()-10000)){  
  val= digitalRead(sensorValue); //Sensor value is stored in val
  if (val==1){    
    if ( strcmp ( data, "Not_Detected" ) == 0 ) {
        digitalWrite(buzzer,HIGH);
         delay(100);
         digitalWrite(buzzer, LOW);
         delay(9500);
    }
    if( strcmp ( data, "Detected" ) == 0 ) {
        digitalWrite(boardLed,HIGH);
        delay(500);
        digitalWrite(boardLed, LOW);
        
    }
  }
}



}

Thingspeak

JSON
{
    "event": "thingSpeakWrite_",
    "url": "https://api.thingspeak.com/update",
    "requestType": "POST",
    "form": {
        "api_key": "{{k}}",
        "field1": "{{1}}",
        "field2": "{{2}}",
        "field3": "{{3}}",
        "field4": "{{4}}",
        "field5": "{{5}}",
        "field6": "{{6}}",
        "field7": "{{7}}",
        "field8": "{{8}}",
        "lat": "{{a}}",
        "long": "{{o}}",
        "elevation": "{{e}}",
        "status": "{{s}}"
    },
    "mydevices": true,
    "noDefaults": true
}

Credits

Abdulaziz Alrushayd

Abdulaziz Alrushayd

1 project • 0 followers
Ali Alsaihati

Ali Alsaihati

1 project • 1 follower

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