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ARDUINOTHINGY3

+//LIBRARIES
+#include <math.h>
+#include <Wire.h>
+#include "rgb_lcd.h"
+#include <ArduinoMqttClient.h>
+#include <WiFiNINA.h>
+#include "pass.h"
+#include "ThingSpeak.h"
+rgb_lcd lcd;
+
+//GET NETWORK DETAILS FROM PASS.H
+int a;
+char ssid[] = SECRET_SSID;        // your network SSID (name)
+char pass[] = SECRET_PASS; 
+int status = WL_IDLE_STATUS;
+unsigned long myChannelNumber = 2409097;
+const char * myWriteAPIKey = "5JNCWMVQYEXCIDWV";
+
+WiFiClient wifiClient;
+MqttClient mqttClient(wifiClient);
+
+//TOPICS AND BROKER FOR MQTT
+const char broker[] = "test.mosquitto.org";
+int        port     = 1883;
+const char AAJtopic[] = "BUTTON ACTIVATED";
+const char LIGHTtopic[] = "POSSIBLE MOVEMENT DETECTED";
+const char SOUNDtopic[] = "SOUND DETECTED";
+
+//SET INTERVAL FOR MSGS
+const long interval = 8000;
+unsigned long previousMillis = 0;
+
+int count = 0;
+
+//CONSTANTS
+const int colorR = 255;
+const int colorG = 255;
+const int colorB = 255;
+
+const int buttonPin = 2;  // the number of the pushbutton pin
+const int buzzerPin = 3;  // the number of the buzzer pin
+
+// VARIABLES
+int buttonState = 0;  // variable for reading the pushbutton status
+int prevLightLevel = 0; // prev light level
+
+
+//SETUP
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  //BUTTON INIT
+  pinMode(buttonPin, INPUT);
+  //BUZZER INIT
+  pinMode(buzzerPin, OUTPUT);
+  //LCD INIT
+  lcd.begin(16, 2);
+  lcd.setRGB(colorR, colorG, colorB);
+  lcd.println("WELCOME");
+
+  //CONNECT TO WIFI
+  Serial.print("Attempting to connect to WPA SSID: ");
+  Serial.println(ssid);
+  while (WiFi.begin(ssid, pass) != WL_CONNECTED) {
+    //FAILED?
+    Serial.print(".");
+    delay(5000);
+  }
+
+  Serial.println("You're connected to the network");
+  Serial.println();
+
+  //CONNECT TO THINGSPEAK
+  ThingSpeak.begin(wifiClient);
+
+  //CONNECT TO BROKER
+  Serial.print("Attempting to connect to the MQTT broker: ");
+  Serial.println(broker);
+  //FAILED?
+  if (!mqttClient.connect(broker, port)) {
+    Serial.print("MQTT connection failed! Error code = ");
+    Serial.println(mqttClient.connectError());
+
+    while (1);
+  }
+
+  Serial.println("You're connected to the MQTT broker!");
+  Serial.println();
+
+
+
+
+  delay(1000);
+}
+
+void loop() {
+    lcd.setCursor(0,0);
+    lcd.print("WELCOME");
+//POLL BROKER TO STAY CONNECTED
+  mqttClient.poll();
+
+//VALUES TO SEND
+  int Rvalue = 777;
+  int Svalue = 1;
+  int Lvalue = 2;
+
+//CHECK FOR LIGHT LEVEL CHANGE 
+  
+  if (updateLightLevel()){
+    Serial.print("Sending message to topic: ");
+    Serial.println(LIGHTtopic);
+    Serial.println(Lvalue);
+    // send message, the Print interface can be used to set the message contents
+    mqttClient.beginMessage(LIGHTtopic);
+    mqttClient.print(Lvalue);
+    mqttClient.endMessage();
+  
+  }
+
+//CHECK FOR SOUND LEVEL AND SEND SOUNDTOPIC 
+  if (updateSoundLevel()){
+    Serial.print("Sending message to topic: ");
+    Serial.println(SOUNDtopic);
+    Serial.println(Svalue);
+    //SEND MESSAGE
+    mqttClient.beginMessage(SOUNDtopic);
+    mqttClient.print(Svalue);
+    mqttClient.endMessage();
+  }
+
+//IF BUTTON IS PRESSED 
+  buttonState = digitalRead(buttonPin);
+  if (buttonState == HIGH) {
+    //SEND BUTTON PRESS NOTIF
+    Serial.print("Sending message to topic: ");
+    Serial.println(AAJtopic);
+    Serial.println(Rvalue);
+
+    //SEND MESSAGE
+    mqttClient.beginMessage(AAJtopic);
+    mqttClient.print(Rvalue);
+    mqttClient.endMessage();
+
+    //MSG FOR BUTTON PRESSER
+    lcd.clear();
+    lcd.print("DING DONG");
+    digitalWrite(3, HIGH);
+    delay(1000);
+    digitalWrite(3, LOW);
+    delay(1000);
+    lcd.setCursor(0,0);
+    lcd.clear();
+    lcd.print("WELCOME");
+
+  }
+
+}
+
+
+//RETURN TRUE IF LIGHT LEVEL HAS HAD SIGNIFICANT CHANGE
+bool updateLightLevel() {
+  int lightLevel = analogRead(A1);
+  int lightLevelChange = prevLightLevel - lightLevel;
+  prevLightLevel = lightLevel;
+
+  //TAKE MEASUREMENTS OF SENSORS AND SEND TO THINGSPEAK
+  ThingSpeak.setField(1,lightLevel);
+  ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
+  
+  if (lightLevelChange >50 || lightLevelChange < -50){
+    return true;
+  }
+  else{
+    return false;
+  }
+}
+
+//RETURN TRUE IF SOUND IS LOUD
+bool updateSoundLevel() {
+  int soundLevel = analogRead(A3);
+
+  //TAKE MEASUREMENTS OF SENSORS AND SEND TO THINGSPEAK
+  ThingSpeak.setField(2, soundLevel);
+  ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
+
+  if (soundLevel > 750){
+    return true;
+  }
+  else{
+    return false;
+  }
+}
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