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Google-Home-NodeMCU.ino
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Google-Home-NodeMCU.ino
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//https://www.youtube.com/c/SidsEClassroom
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
const char* ssid = "*********"; //Set your wifi network name(ssid)
const char* password = "************"; //Set your router password
int Device1 = D1;
int Device2 = D2;
int Device3 = D3;
WiFiServer server(80);
void setup() {
Serial.begin(115200); //change according to your com port baud rate
delay(10);
//Declare device pins
pinMode(Device1, OUTPUT);
digitalWrite(Device1, LOW);
pinMode(Device2, OUTPUT);
digitalWrite(Device2, LOW);
pinMode(Device3, OUTPUT);
digitalWrite(Device3, LOW);
// Connect to WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
// Start the server
server.begin();
Serial.println("Server started");
// Print the IP address
Serial.print("Use this URL : ");
Serial.print("http://");
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {
// Check for an active client
WiFiClient client = server.available();
if (!client) {
return;
}
// Wait until client responds
Serial.println("new client");
while (!client.available()) {
delay(1);
}
// Read client request
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
// Check device request
if (request.indexOf("/Device1=ON") != -1) {
digitalWrite(Device1, HIGH);
}
if (request.indexOf("/Device1=OFF") != -1) {
digitalWrite(Device1, LOW);
}
if (request.indexOf("/Device2=ON") != -1) {
digitalWrite(Device2, HIGH);
}
if (request.indexOf("/Device2=OFF") != -1) {
digitalWrite(Device2, LOW);
}
if (request.indexOf("/Device3=ON") != -1) {
digitalWrite(Device3, HIGH);
}
if (request.indexOf("/Device3=OFF") != -1) {
digitalWrite(Device3, LOW);
}
// Return the client response
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
//HTML code for controling devices from browser
client.println("<br><br>");
client.println("Device 1: <a href=\"/Device1=ON\">ON</a> and <a href=\"/Device1=OFF\">OFF</a><br>");
client.println("<br>");
client.println("Device 2: <a href=\"/Device2=ON\">ON</a> and <a href=\"/Device2=OFF\">OFF</a><br>");
client.println("<br>");
client.println("Device 3: <a href=\"/Device3=ON\">ON</a> and <a href=\"/Device3=OFF\">OFF</a><br>");
client.println("<br>");
client.println("");
client.println("</html>");
delay(1);
Serial.println("Client disconnected");
Serial.println("");
}