Motion Detection Alarm

Motion triggered alarm and message system with arduino

Apr 18, 2022

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alarm system

security system

motion detector

Components and supplies

Terminal Block Interface, Screw Type 8 Position Terminal Block

Relay (generic)

Resistor 1k ohm

Capacitor 220 µF

Machine Screw, M2

Fuse Accessory, Fuseholder Body

Arduino UNO

Resistor 220 ohm

DC Power Connector, Jack

ESP8266 ESP-01

Tools and machines

Solder Flux, Soldering

Soldering iron (generic)

Multitool, Screwdriver

Solder Wire, Lead Free

Apps and platforms

Arduino IDE

Project description

Code

arduino

Code

1#include <ESP8266WiFi.h>
2#include <PubSubClient.h>
3
4// Replace   with your SSID, password and MQTT broker IP address
5const char* ssid = "REPLACE_WITH_YOUR_SSID";
6const   char* password = "REPLACE_WITH_YOUR_PASSWORD";
7const char* mqtt_server = "REPLACE_WITH_YOUR_MQTT_BROKER_IP";
8//For   example
9//const char* mqtt_server = "192.168.1.144";
10
11WiFiClient espClient;
12PubSubClient   client(espClient);
13
14void setup_wifi() {
15
16  delay(10);
17  // We start   by connecting to a WiFi network
18  Serial.println();
19  Serial.print("Connecting   to ");
20  Serial.println(ssid);
21
22  WiFi.begin(ssid, password);
23
24   while (WiFi.status() != WL_CONNECTED) {
25    delay(500);
26    Serial.print(".");
27   }
28
29  randomSeed(micros());
30
31  Serial.println("");
32  Serial.println("WiFi   connected");
33  Serial.println("IP address: ");
34  Serial.println(WiFi.localIP());
35}
36
37void   reconnect() {
38  // Loop until we're reconnected
39  while (!client.connected())   {
40    Serial.print("Attempting MQTT connection...");
41    // Create a random   client ID
42    String clientId = "ESP8266Client-";
43    clientId += String(random(0xffff),   HEX);
44    // Attempt to connect
45    if (client.connect(clientId.c_str()))   {
46      Serial.println("connected");
47    } else {
48      Serial.print("failed,   rc=");
49      Serial.print(client.state());
50      Serial.println(" try again   in 5 seconds");
51      // Wait 5 seconds before retrying
52      delay(5000);
53     }
54  }
55}
56
57void setup() {
58  pinMode(BUILTIN_LED, OUTPUT);     //   Initialize the BUILTIN_LED pin as an output
59  digitalWrite(BUILTIN_LED, HIGH);
60   Serial.begin(115200);
61  setup_wifi();
62  client.setServer(mqtt_server, 1883);
63   while (!client.connected()) {
64    reconnect();
65  }
66  Serial.print("Motion   Detected");
67  // Publish MQTT message
68  String mqttMessage = "Motion Detected";   
69  client.publish("esp/pir", mqttMessage.c_str());
70}
71
72void loop()   {
73  client.loop();
74}

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

// Replace   with your SSID, password and MQTT broker IP address
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const   char* password = "REPLACE_WITH_YOUR_PASSWORD";
const char* mqtt_server = "REPLACE_WITH_YOUR_MQTT_BROKER_IP";
//For   example
//const char* mqtt_server = "192.168.1.144";

WiFiClient espClient;
PubSubClient   client(espClient);

void setup_wifi() {

  delay(10);
  // We start   by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting   to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

   while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
   }

  randomSeed(micros());

  Serial.println("");
  Serial.println("WiFi   connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void   reconnect() {
  // Loop until we're reconnected
  while (!client.connected())   {
    Serial.print("Attempting MQTT connection...");
    // Create a random   client ID
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff),   HEX);
    // Attempt to connect
    if (client.connect(clientId.c_str()))   {
      Serial.println("connected");
    } else {
      Serial.print("failed,   rc=");
      Serial.print(client.state());
      Serial.println(" try again   in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
     }
  }
}

void setup() {
  pinMode(BUILTIN_LED, OUTPUT);     //   Initialize the BUILTIN_LED pin as an output
  digitalWrite(BUILTIN_LED, HIGH);
   Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
   while (!client.connected()) {
    reconnect();
  }
  Serial.print("Motion   Detected");
  // Publish MQTT message
  String mqttMessage = "Motion Detected";   
  client.publish("esp/pir", mqttMessage.c_str());
}

void loop()   {
  client.loop();
}

Code

arduino

Code

1#include <ESP8266WiFi.h>
2#include <PubSubClient.h>
3
4// Replace  with your SSID, password and MQTT broker IP address
5const char* ssid = "REPLACE_WITH_YOUR_SSID";
6const  char* password = "REPLACE_WITH_YOUR_PASSWORD";
7const char* mqtt_server = "REPLACE_WITH_YOUR_MQTT_BROKER_IP";
8//For  example
9//const char* mqtt_server = "192.168.1.144";
10
11WiFiClient espClient;
12PubSubClient  client(espClient);
13
14void setup_wifi() {
15
16  delay(10);
17  // We start  by connecting to a WiFi network
18  Serial.println();
19  Serial.print("Connecting  to ");
20  Serial.println(ssid);
21
22  WiFi.begin(ssid, password);
23
24  while (WiFi.status() != WL_CONNECTED) {
25    delay(500);
26    Serial.print(".");
27  }
28
29  randomSeed(micros());
30
31  Serial.println("");
32  Serial.println("WiFi  connected");
33  Serial.println("IP address: ");
34  Serial.println(WiFi.localIP());
35}
36
37void  reconnect() {
38  // Loop until we're reconnected
39  while (!client.connected())  {
40    Serial.print("Attempting MQTT connection...");
41    // Create a random  client ID
42    String clientId = "ESP8266Client-";
43    clientId += String(random(0xffff),  HEX);
44    // Attempt to connect
45    if (client.connect(clientId.c_str()))  {
46      Serial.println("connected");
47    } else {
48      Serial.print("failed,  rc=");
49      Serial.print(client.state());
50      Serial.println(" try again  in 5 seconds");
51      // Wait 5 seconds before retrying
52      delay(5000);
53    }
54  }
55}
56
57void setup() {
58  pinMode(BUILTIN_LED, OUTPUT);     //  Initialize the BUILTIN_LED pin as an output
59  digitalWrite(BUILTIN_LED, HIGH);
60  Serial.begin(115200);
61  setup_wifi();
62  client.setServer(mqtt_server, 1883);
63  while (!client.connected()) {
64    reconnect();
65  }
66  Serial.print("Motion  Detected");
67  // Publish MQTT message
68  String mqttMessage = "Motion Detected";  
69  client.publish("esp/pir", mqttMessage.c_str());
70}
71
72void loop()  {
73  client.loop();
74}

#include <ESP8266WiFi.h>
#include <PubSubClient.h>

// Replace  with your SSID, password and MQTT broker IP address
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const  char* password = "REPLACE_WITH_YOUR_PASSWORD";
const char* mqtt_server = "REPLACE_WITH_YOUR_MQTT_BROKER_IP";
//For  example
//const char* mqtt_server = "192.168.1.144";

WiFiClient espClient;
PubSubClient  client(espClient);

void setup_wifi() {

  delay(10);
  // We start  by connecting to a WiFi network
  Serial.println();
  Serial.print("Connecting  to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  randomSeed(micros());

  Serial.println("");
  Serial.println("WiFi  connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void  reconnect() {
  // Loop until we're reconnected
  while (!client.connected())  {
    Serial.print("Attempting MQTT connection...");
    // Create a random  client ID
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff),  HEX);
    // Attempt to connect
    if (client.connect(clientId.c_str()))  {
      Serial.println("connected");
    } else {
      Serial.print("failed,  rc=");
      Serial.print(client.state());
      Serial.println(" try again  in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}

void setup() {
  pinMode(BUILTIN_LED, OUTPUT);     //  Initialize the BUILTIN_LED pin as an output
  digitalWrite(BUILTIN_LED, HIGH);
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  while (!client.connected()) {
    reconnect();
  }
  Serial.print("Motion  Detected");
  // Publish MQTT message
  String mqttMessage = "Motion Detected";  
  client.publish("esp/pir", mqttMessage.c_str());
}

void loop()  {
  client.loop();
}

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