zaphodikus · January 21, 2020 21:38
diff --git a/esp8266_hotspot b/esp8266_hotspot
 // https://www.instructables.com/id/Programming-a-HTTP-Server-on-ESP-8266-12E/
 #include <ESP8266WiFi.h>

 const short int BUILTIN_LED1 = 2; //GPIO2
 const short int BUILTIN_LED2 = 16;//GPIO16 
 #define LED_PIN BUILTIN_LED2

 WiFiServer server(80); //Initialize the server on Port 80

 void setup() {

  WiFi.mode(WIFI_AP); //Our ESP8266-12E is an AccessPoint
  WiFi.softAP("Hello_IoT", "12345678"); // Provide the (SSID, password); .
  server.begin(); // Start the HTTP Server
  
  //Looking under the hood
  Serial.begin(115200); //Start communication between the ESP8266-12E and the monitor window
  IPAddress HTTPS_ServerIP= WiFi.softAPIP(); // Obtain the IP of the Server
  Serial.print("Server IP is: "); // Print the IP to the monitor window
  Serial.println(HTTPS_ServerIP);

  pinMode(LED_PIN, OUTPUT); //GPIO16 is an OUTPUT pin;
  digitalWrite(LED_PIN, LOW); //Initial state is ON
 }

 void loop() { 
  WiFiClient client = server.available();
  if (!client) {
    return;
  }
  //Looking under the hood
  Serial.println("Somebody has connected :)");

  //Read what the browser has sent into a String class and print the request to the monitor
  String request = client.readStringUntil('\r'); 
  //Looking under the hood
  Serial.println(request);

  // Handle the Request
  if (request.indexOf("/OFF") != -1){
    digitalWrite(LED_PIN, HIGH); }
  else if (request.indexOf("/ON") != -1){
    digitalWrite(LED_PIN, LOW);
  }
   // Prepare the HTML document to respond and add buttons:
  String s = "HTTP/1.1 200 OK\r\n";
  s += "Content-Type: text/html\r\n\r\n";
  s += "<!DOCTYPE HTML>\r\n<html>\r\n";
  s += "<br><input type=\"button\" name=\"b1\" value=\"Turn LED ON\" onclick=\"location.href='/ON'\">";
  s += "<br><br><br>";
  s += "<input type=\"button\" name=\"bi\" value=\"Turn LED OFF\" onclick=\"location.href='/OFF'\">";
  s += "</html>\n";

  //Serve the HTML document to the browser.
  client.flush(); //clear previous info in the stream
  client.print(s); // Send the response to the client
  delay(1);
  Serial.println("Client disonnected"); //Looking under the hood

 }
	// https://www.instructables.com/id/Programming-a-HTTP-Server-on-ESP-8266-12E/
	#include <ESP8266WiFi.h>

	const short int BUILTIN_LED1 = 2; //GPIO2
	const short int BUILTIN_LED2 = 16;//GPIO16
	#define LED_PIN BUILTIN_LED2

	WiFiServer server(80); //Initialize the server on Port 80

	void setup() {

	WiFi.mode(WIFI_AP); //Our ESP8266-12E is an AccessPoint
	WiFi.softAP("Hello_IoT", "12345678"); // Provide the (SSID, password); .
	server.begin(); // Start the HTTP Server

	//Looking under the hood
	Serial.begin(115200); //Start communication between the ESP8266-12E and the monitor window
	IPAddress HTTPS_ServerIP= WiFi.softAPIP(); // Obtain the IP of the Server
	Serial.print("Server IP is: "); // Print the IP to the monitor window
	Serial.println(HTTPS_ServerIP);

	pinMode(LED_PIN, OUTPUT); //GPIO16 is an OUTPUT pin;
	digitalWrite(LED_PIN, LOW); //Initial state is ON
	}

	void loop() {
	WiFiClient client = server.available();
	if (!client) {
	return;
	}
	//Looking under the hood
	Serial.println("Somebody has connected :)");

	//Read what the browser has sent into a String class and print the request to the monitor
	String request = client.readStringUntil('\r');
	//Looking under the hood
	Serial.println(request);

	// Handle the Request
	if (request.indexOf("/OFF") != -1){
	digitalWrite(LED_PIN, HIGH); }
	else if (request.indexOf("/ON") != -1){
	digitalWrite(LED_PIN, LOW);
	}
	// Prepare the HTML document to respond and add buttons:
	String s = "HTTP/1.1 200 OK\r\n";
	s += "Content-Type: text/html\r\n\r\n";
	s += "<!DOCTYPE HTML>\r\n<html>\r\n";
	s += "<br><input type=\"button\" name=\"b1\" value=\"Turn LED ON\" onclick=\"location.href='/ON'\">";
	s += "<br><br><br>";
	s += "<input type=\"button\" name=\"bi\" value=\"Turn LED OFF\" onclick=\"location.href='/OFF'\">";
	s += "</html>\n";

	//Serve the HTML document to the browser.
	client.flush(); //clear previous info in the stream
	client.print(s); // Send the response to the client
	delay(1);
	Serial.println("Client disonnected"); //Looking under the hood

	}