leohmoraes/webserver-led-on-off-arduino-lolin-generic-esp8266.ino

## webserver-led-on-off-arduino-lolin-generic-esp8266.ino
// Source of origin code : https://www.nyebarilmu.com/tutorial-arduino-mengakses-nodemcu-sebagai-access-point/
// Entering the Library, for the tutorial on adding NodeMCU libraries and boards, see here: https://www.youtube.com/watch?v=8jMr94B8iN0
#include <ESP8266WebServer.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>

ESP8266WebServer server(80);

// Make a wifi name and password as access points
const char *ssid = "nova-rede";
const char *password = "nova-senha";

#define LED 5
int statusLED = LOW; // variable for LED status
int Buzzer = 4;

// -----------------------------------------------------------------------------------------------------------------Declare constants to make the page to be visited.
const String HtmlHtml = "<html><head>"
"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" /></head>";
const String HtmlTitle = "<h1>Control LED Using NodeMCU WiFi Access Point</h1><br/>\n";
const String HtmlLedStateLow = "<big>LED is now <b>OFF</b></big><br/><br/>\n";
const String HtmlLedStateHigh = "<big>LED is now <b>ON</b></big><br/><br/>\n";
const String HtmlButtons =
"<a href=\"LEDOn\"><button style=\"background-color:green;color:white;width:20%;height:5%;\">ON </button></a>\n"
"<a href=\"LEDOff\"><button style=\"background-color:red;color:white;width:20%;height:5%;\">OFF </button></a><br/>";
const String HtmlHtmlClose = "</html>";
// -----------------------------------------------------------------------------------------------------------------

// Function / procedure for turning on the LED
void handleLedOn() {
  statusLED = HIGH; // conditions to make the LED turn on
  digitalWrite(LED, statusLED);
  Serial.println("NodeMCU ESP8266 : LED is ON");
  response();
}

// Function / procedure for turning off the LED
void handleLedOff() {
  statusLED = LOW; // conditions to make the LED turn off
  digitalWrite(LED, statusLED);
  Serial.println("NodeMCU ESP8266 : LED is OFF");
  response();
}

// Function / procedure to handle each client making a request
void response(){
  String htmlRes = HtmlHtml + HtmlTitle;
  if(statusLED == LOW){
    htmlRes += HtmlLedStateLow;
  }else{
    htmlRes += HtmlLedStateHigh;
  }

  htmlRes += HtmlButtons;
  htmlRes += HtmlHtmlClose;

  server.send(200, "text/html", htmlRes);
}

void setup() {
    pinMode(Buzzer,OUTPUT);
    delay(1000);
    Serial.begin(115200);
    Serial.println();

    WiFi.softAP(ssid, password);

    IPAddress apip = WiFi.softAPIP(); // Get the IP server
    Serial.print("Connect your wifi laptop/mobile phone to this NodeMCU Access Point : ");
    Serial.println(ssid);
    Serial.print("Visit this IP : ");
    Serial.print(apip); // Prints the IP address of the server to be visited
    Serial.println(" in your browser.");

    server.on("/", response);
    server.on("/LEDOn", handleLedOn);
    server.on("/LEDOff", handleLedOff);

    server.begin(); // Start the server
    Serial.println("HTTP server beginned");

    pinMode(LED, OUTPUT);
    digitalWrite(LED, statusLED);
}

void loop() {
    server.handleClient();
    pinMode(Buzzer,HIGH); //Buzzer não funcionou, faltou energia
}
	// Source of origin code : https://www.nyebarilmu.com/tutorial-arduino-mengakses-nodemcu-sebagai-access-point/
	// Entering the Library, for the tutorial on adding NodeMCU libraries and boards, see here: https://www.youtube.com/watch?v=8jMr94B8iN0
	#include <ESP8266WebServer.h>
	#include <ESP8266WiFi.h>
	#include <WiFiClient.h>

	ESP8266WebServer server(80);

	// Make a wifi name and password as access points
	const char *ssid = "nova-rede";
	const char *password = "nova-senha";

	#define LED 5
	int statusLED = LOW; // variable for LED status
	int Buzzer = 4;

	// -----------------------------------------------------------------------------------------------------------------Declare constants to make the page to be visited.
	const String HtmlHtml = "<html><head>"
	"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" /></head>";
	const String HtmlTitle = "<h1>Control LED Using NodeMCU WiFi Access Point</h1><br/>\n";
	const String HtmlLedStateLow = "<big>LED is now <b>OFF</b></big><br/><br/>\n";
	const String HtmlLedStateHigh = "<big>LED is now <b>ON</b></big><br/><br/>\n";
	const String HtmlButtons =
	"<a href=\"LEDOn\"><button style=\"background-color:green;color:white;width:20%;height:5%;\">ON </button></a>\n"
	"<a href=\"LEDOff\"><button style=\"background-color:red;color:white;width:20%;height:5%;\">OFF </button></a><br/>";
	const String HtmlHtmlClose = "</html>";
	// -----------------------------------------------------------------------------------------------------------------

	// Function / procedure for turning on the LED
	void handleLedOn() {
	statusLED = HIGH; // conditions to make the LED turn on
	digitalWrite(LED, statusLED);
	Serial.println("NodeMCU ESP8266 : LED is ON");
	response();
	}

	// Function / procedure for turning off the LED
	void handleLedOff() {
	statusLED = LOW; // conditions to make the LED turn off
	digitalWrite(LED, statusLED);
	Serial.println("NodeMCU ESP8266 : LED is OFF");
	response();
	}

	// Function / procedure to handle each client making a request
	void response(){
	String htmlRes = HtmlHtml + HtmlTitle;
	if(statusLED == LOW){
	htmlRes += HtmlLedStateLow;
	}else{
	htmlRes += HtmlLedStateHigh;
	}

	htmlRes += HtmlButtons;
	htmlRes += HtmlHtmlClose;

	server.send(200, "text/html", htmlRes);
	}

	void setup() {
	pinMode(Buzzer,OUTPUT);
	delay(1000);
	Serial.begin(115200);
	Serial.println();

	WiFi.softAP(ssid, password);

	IPAddress apip = WiFi.softAPIP(); // Get the IP server
	Serial.print("Connect your wifi laptop/mobile phone to this NodeMCU Access Point : ");
	Serial.println(ssid);
	Serial.print("Visit this IP : ");
	Serial.print(apip); // Prints the IP address of the server to be visited
	Serial.println(" in your browser.");

	server.on("/", response);
	server.on("/LEDOn", handleLedOn);
	server.on("/LEDOff", handleLedOff);

	server.begin(); // Start the server
	Serial.println("HTTP server beginned");

	pinMode(LED, OUTPUT);
	digitalWrite(LED, statusLED);
	}

	void loop() {
	server.handleClient();
	pinMode(Buzzer,HIGH); //Buzzer não funcionou, faltou energia
	}