HTuiazRP

1// Cheap Home Security Motion Detector
2
3#include "ThingSpeak.h"                                 // Include ThingSpeak Library
4#include <ESP8266WiFi.h>                                // Include ESP8266wifi Library
5  
6char ssid[] = "Abhimat PC";                               // Enter your WiFi SSID (router name)
7char pass[] = "aabhimatg";                             // Enter your WiFi router password
8unsigned long myChannelNumber = 989515;                 // Enter your Thingspeak Channel Number
9const char * myWriteAPIKey = "MF7XXGK5H20DLDP4";        // Enter your ThingSpeak API Key
10
11int ledPin = D5;                                        // Choose the pin for the LED (Pin D5, GPIO 14) 
12int inputPin = D6;                                      // Choose the input pin for motion sensor (Pin D6, GPIO 12)
13int motionState = 0;                                    // We start, assuming no motion detected
14int val = 0;                                            // Variable for reading the pin status
15
16unsigned long currentMillis = millis();
17unsigned long previousMillis = 0;
18unsigned long resetMillis = 0;
19const long interval = 90000;                            // Time delay interval (90 seconds) to prevent false triggers when setting up device 
20                                                        
21int status = WL_IDLE_STATUS;
22WiFiClient  client;
23
24void setup() 
25{   
26  WiFi.begin(ssid, pass);                               // Start WiFi connection
27  ThingSpeak.begin(client);                             // Start ThingSpeak connection
28  Serial.begin(115200);                                 // Serial Baud Rate
29  pinMode(inputPin, INPUT);                             // Set the Motion Sensor pin as an Input
30
31  Serial.println();
32  Serial.print("Connecting to ");
33  Serial.print(ssid); 
34  while (WiFi.status() != WL_CONNECTED) 
35  {
36    delay(500);
37    Serial.print(".");
38  }
39  Serial.println();
40  Serial.println("WiFi connected");  
41  Serial.print("IP address: ");
42  Serial.println(WiFi.localIP());  
43  Serial.println("Motion Sensor Alarm");
44
45  ThingSpeak.writeField(myChannelNumber, 1, val, myWriteAPIKey);           // Update ThingSpeak channel the PIR sensor value '0'
46 
47}
48
49void loop() 
50{
51//********************* Read motion sensor and upload to ThingSpeak ***************************** 
52  
53currentMillis = millis();                                                 // Set the currentMillis equal to the millis function
54
55val = digitalRead(inputPin);                                              // Read motion sensor
56  
57if (val == HIGH)                                                          // Check if the input pin is HIGH
58  {                                                                                                  
59  if ((motionState == 0) && (currentMillis >= interval))
60    {                                                                     // Turn LED ON
61      Serial.println("Motion detected!");                                 // Motion Detected                                                       
62      motionState = 1;                                                    // We only want to update on the change, not state
63      ThingSpeak.writeField(myChannelNumber, 1, val, myWriteAPIKey);      // Update ThingSpeak channel the PIR sensor value '0'  
64      Serial.println("Data Sent to ThingSpeak!");  
65      delay(500);                  
66    }
67  } else {
68    if (motionState == 1)
69    {                                                                     // Motion stopped                                                      
70      Serial.println("Motion ended!");                                                                          
71      motionState = 0;                                                    // We only want to print on the output change, not state
72      ThingSpeak.writeField(myChannelNumber, 1, val, myWriteAPIKey);      // Update ThingSpeak channel the PIR sensor value '0' 
73      Serial.println("Data Sent to ThingSpeak!");  
74      delay(500);  
75                   
76    }
77  }    
78 
79 if (currentMillis - previousMillis >= 10000)                             // Update Serial Monitor every ten seconds (10000 milliseonds)
80 {                                                                        // as to how long the program has been running
81 Serial.print("Program running for ");
82 Serial.print((currentMillis/1000)/60);
83 Serial.println(" Minutes"); 
84 previousMillis = currentMillis;
85 yield();                                                                 // Yield to prevent the WDT from crashing the NodeMCU
86 }
87}