1. Node MCU
2. Jumper Wires
3. USB Cable
4. Foamsheet
5. Pipe
6. Gluegun
7. LEDs
8. Lamp Holder
9. Cutter
10. Breadboard
11. Scale

    #include  

const char* ssid = "SID"; 
const char* password = "12345678"; 

int LED = D0; // led connected to D0 
WiFiServer server(80); 

void setup() 
{ 
Serial.begin(115200); 
pinMode(LED, OUTPUT); 
digitalWrite(LED, LOW); 

Serial.print("Connecting to Internet "); 
WiFi.begin(ssid, password); 
while (WiFi.status() != WL_CONNECTED) 
{ 
delay(500); 
Serial.print("."); 
} 
Serial.println("WiFi connected"); 

/*-------- server started---------*/ 
server.begin(); 
Serial.println("Server started"); 

/*------printing ip address--------*/ 
Serial.print("IP Address of network: "); 
Serial.println(WiFi.localIP()); 
Serial.print("Copy and paste the following URL: https://"); 
Serial.print(WiFi.localIP()); 
Serial.println("/"); 
} 

void loop() 
{ 
WiFiClient client = server.available(); 
if (!client) 
{ 
return; 
} 
Serial.println("Waiting for new client"); 
while(!client.available()) 
{ 
delay(1); 
} 

String request = client.readStringUntil('\r'); 
Serial.println(request); 
client.flush(); 


int value = LOW; 
if (request.indexOf("/LED=ON") != -1) 
{ 
digitalWrite(LED, HIGH); 
value = HIGH; 
} 
if (request.indexOf("/LED=OFF") != -1) 
{ 
digitalWrite(LED, LOW); 
value = LOW; 
} 

/*------------------Creating html page---------------------*/ 

client.println("HTTP/1.1 200 OK"); 
client.println("Content-Type: text/html"); 
client.println(""); 
client.println(""); 
client.println(""); 

client.print("LED is: "); 

if(value == HIGH) 
{ 
client.print("ON"); 
} 
else 
{ 
client.print("OFF"); 
} 
client.println("

"); 
client.println("ON"); 
client.println("OFF
"); 
client.println(""); 

delay(1); 
Serial.println("Client disonnected"); 
Serial.println(""); 

}