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README.md

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-# IOT-Project1
-IOT - Home Automation and Robotic Arm
+# Robotic-Arm-Elderly-Support-System

dht11.ino

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+
+#include <FirebaseESP8266.h>
+#include <ESP8266WiFi.h>
+#include <DHT.h>
+
+#define DHTPIN 5
+#define DHTTYPE DHT11
+DHT dht(DHTPIN, DHTTYPE);
+
+#define FIREBASE_HOST "https://dht22-370b1-default-rtdb.firebaseio.com/"
+#define FIREBASE_AUTH "DDh1wJOdgNYidNBEnulEeCpPEZ5rgHgDsSyyqzM7"
+#define WIFI_SSID "SamrasingheWifi"
+#define WIFI_PASSWORD "19570617"  
+
+
+FirebaseData firebaseData;
+
+void setup() {
+
+  Serial.begin(9600);
+
+  dht.begin();
+
+
+  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+  Serial.print("connecting");
+  while (WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(500);
+  }
+  Serial.println();
+  Serial.print("Connected with IP: ");
+  Serial.println(WiFi.localIP());
+  Serial.println();
+
+  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
+}
+
+void loop(){
+
+
+  float t = dht.readTemperature();
+  float h = dht.readHumidity();
+
+
+  if (isnan(t) || isnan(h)) {
+    Serial.println("Failed to read from DHT11 Sensor");
+    return;
+  }
+
+
+  Serial.print("Temperature :");
+  Serial.print(t);
+  Serial.println(" *C");
+  Serial.print("Humidity: ");
+  Serial.print(h);
+  Serial.println(" %");
+  Serial.println();
+
+
+  if (Firebase.setFloat(firebaseData, "/Result_Reading/temperature", t)){
+      Serial.println("Temperature sent");
+    } else{
+      Serial.println("Undeliverable temperature");
+      Serial.println("Error: " + firebaseData.errorReason());
+    } 
+
+  if (Firebase.setFloat(firebaseData, "/Result_Reading/humidity", h)){
+      Serial.println("Humidity sent");
+      Serial.println();
+    } else{
+      Serial.println("Undeliverable humidity");
+      Serial.println("Error: " + firebaseData.errorReason());
+    }
+
+  delay(1000);
+}

home_automation_light_fan.ino

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+
+#include <FirebaseESP8266.h>
+#include  <ESP8266WiFi.h>
+
+#define ssid "SamrasingheWifi"  //WiFi SSID
+#define password "19570617"  //WiFi Password
+#define FIREBASE_HOST "https://dht22-370b1-default-rtdb.firebaseio.com/"       //Firebase Project URL Remove "https:" , "\" and "/"
+#define FIREBASE_AUTH "DDh1wJOdgNYidNBEnulEeCpPEZ5rgHgDsSyyqzM7"      //Firebase Auth Token
+
+FirebaseData firebaseData;
+
+int Device_1 = D1; //initialize D1 Pin
+int Device_2 = D2;//itialize D2 Pin
+
+
+
+void setup() {
+
+  Serial.begin(9600);
+  WiFi.begin (ssid, password);
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  Serial.println ("");
+  Serial.println ("WiFi Connected!");
+  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
+  pinMode(Device_1, OUTPUT); //initialize the Device OUTPUT
+  pinMode(Device_2, OUTPUT); //initialize the Device OUTPUT
+
+}
+
+void loop() {
+
+  if (Firebase.get(firebaseData, "/D1")) {
+    if (firebaseData.dataType() == "string") {
+      String De1 = firebaseData.stringData();
+      if (De1 == "1") {
+        digitalWrite(Device_1, LOW); //Device1 is ON
+      }
+      else if (De1 == "0") {
+        digitalWrite(Device_2, HIGH); //Device1 if OFF
+      }
+    }
+  }
+  if (Firebase.get(firebaseData, "/D2")) {
+    if (firebaseData.dataType() == "string") {
+      String De1 = firebaseData.stringData();
+      if (De1 == "1") {
+        digitalWrite(Device_1, LOW); //Device1 is ON
+      }
+      else if (De1 == "0") {
+        digitalWrite(Device_1, HIGH); //Device1 if OFF
+      }
+    }
+  }
+
+}