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Lifting Mechanism Control For the Project which would go till 2 Floors
PrajwalPrabhuiisc · Jul 5, 2022 · 42ffa4d · 42ffa4d
1 parent 824a804
commit 42ffa4d
Showing 1 changed file with 167 additions and 0 deletions.
diff --git a/lift_control/lift_control.ino b/lift_control/lift_control.ino
@@ -0,0 +1,167 @@
+#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
+#include <ESP8266WebServer.h>
+
+// Replace with your network credentials
+const char* ssid = "Galaxy M211BF1";         
+const char* password = "pufy3612";
+const int trigPin = 14;
+const int echoPin = 12;
+long duration;
+float distanceCm;
+float distance1;
+#define SOUND_VELOCITY 0.034
+
+ESP8266WebServer server(80);   //instantiate server at port 80 (http port)
+
+String page = ""; //For the Web Server
+String page2="";  //For updating Status of motor 1
+void setup(void)
+{
+  //the HTML of the web page
+  page = "<center><h1>Lift Control using Web Server</h1><body><p><a href=\"Forward\"><button>Ground Floor</button></a><p><a href=\"Backward\"><button>First Floor</button></a></p><p><a href=\"Left\"><button>Second Floor</button></a></p><a href=\"Stop\"><button>Stop</button></a></p></body></center>";
+
+  pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
+  pinMode(echoPin, INPUT); // Sets the echoPin as an Input
+  pinMode(D2, OUTPUT);   // inputs for motor 1
+  pinMode(D1,OUTPUT);
+  Serial.begin(115200);     
+  WiFi.begin(ssid, password); //begin WiFi connection
+  Serial.println("");
+
+  // Wait for connection
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    Serial.print(".");
+  }
+  digitalWrite(LED_BUILTIN,HIGH);     // when connected turns high
+  Serial.println("");
+  Serial.print("Connected to ");   
+  Serial.println(ssid);
+  Serial.print("IP address: ");
+  Serial.println(WiFi.localIP());   //provides IP address
+   server.on("/", [](){
+    server.send(200, "text/html", page+page2);
+  });
+  server.on("/Forward",Forward);
+  server.on("/Backward",Backward);
+  server.on("/Left",Left);
+  server.on("/Stop",[](){                              // turns all the motor input pins low
+   page2="<center><p> motor 1 Status : Off</p></center>";
+  server.send(200,"text/html",page+page2);
+    digitalWrite(D2,LOW);
+    digitalWrite(D1,LOW);
+    delay(200);
+  });
+  server.begin();
+  Serial.println("Web server started!");
+}
+void loop(void)
+{  
+     server.handleClient(); 
+}
+
+float distance()
+{
+     digitalWrite(trigPin, LOW);
+     delayMicroseconds(2);
+  // Sets the trigPin on HIGH state for 10 micro seconds
+     digitalWrite(trigPin, HIGH);
+     delay(10);
+     digitalWrite(trigPin, LOW);
+     duration = pulseIn(echoPin, HIGH);
+     distanceCm = duration * SOUND_VELOCITY/2 - 2.5;
+     Serial.print("Distance (cm): ");
+     Serial.println(distanceCm);
+     return distanceCm;
+}
+
+void Forward ()
+{
+  while (true)
+  {
+    distance1 = distance();
+     if (distance1 >= 98.5 && distance1<=99.5)
+       {
+          digitalWrite(D2,LOW);
+          digitalWrite(D1,LOW);
+          break;
+        }
+      else if (distance1<98.5 && distance1 >0)
+        {
+          digitalWrite(D1,LOW);
+          digitalWrite(D2,HIGH);
+        }
+      else 
+        {
+          digitalWrite(D2,LOW);
+          digitalWrite(D1,LOW);
+        }
+  }
+          page2="<center><p> Lift Status : Lift has reached the Ground Floor </p></center>";
+          server.send(200,"text/html", page+page2);
+}
+
+void Backward ()
+{
+  while (true)
+  {
+    distance1 = distance();
+     if (distance1 >= 71 && distance1<=71.5)
+       {
+          digitalWrite(D2,LOW);
+          digitalWrite(D1,LOW);
+          break;
+        }
+      else if (distance1<71 && distance1 >0)
+        {
+          digitalWrite(D1,LOW);
+          digitalWrite(D2,HIGH);
+        }
+      else if (distance1 >71.5)
+        {
+          digitalWrite(D1,HIGH);
+          digitalWrite(D2,LOW);
+        }
+
+      else 
+        {
+          digitalWrite(D2,LOW);
+          digitalWrite(D1,LOW);
+        }
+  }
+          page2="<center><p> Lift Status : Lift has reached the First Floor </p></center>";
+          server.send(200,"text/html", page+page2);
+}
+
+void Left ()
+{
+ while (true)
+  {
+    distance1 = distance();
+  if (distance1 >= 38 && distance1<=39)
+  {
+  digitalWrite(D2,LOW);
+  digitalWrite(D1,LOW);
+  break;
+  }
+  else if (distance1>0 && distance1 <38)
+  {
+  digitalWrite(D2,HIGH);
+  digitalWrite(D1,LOW);
+  }
+  else if (distance1>39)
+  {
+    digitalWrite(D1,HIGH);
+    digitalWrite(D2,LOW);
+  } 
+  else 
+  {
+   digitalWrite(D2,LOW);
+   digitalWrite(D1,LOW);
+   break;
+   }
+  }
+  page2="<center><p> Lift Status : Lift has reached the Second Floor </p></center>";
+  server.send(200,"text/html", page+page2);
+}