// Learn about the ESP32 WiFi simulation in
// https://docs.wokwi.com/guides/esp32-wifi
#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
int Button1 = 25;
int Button2 = 26;
int Relay = 27;
int Button1isOnOff;
int Button2isOnOff;
int RelayStatus;
//WEB SERVER
const char* ssid = "V2102";
const char* password = "pogipogipogi123";
// Set web server port number to 80
WiFiServer server(80);
String header;
// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0;
// Define timeout time in milliseconds (example: 2000ms = 2s)
const long timeoutTime = 2000;
void setup() {
Serial.begin(115200);
pinMode(Relay, OUTPUT);
pinMode(Button1, INPUT);
pinMode(Button2, INPUT);
// Connect to Wi-Fi network with SSID and password
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
// Print local IP address and start web server
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop() {
Button1isOnOff = digitalRead(Button1); //kung ano status ni button1
Button2isOnOff = LOW; //off
digitalWrite(Relay, Button1isOnOff); //kung ano status ni button1, same dapat ni relay
if (Button1isOnOff == HIGH) { //kung pinindot
while (Button2isOnOff != HIGH) { //habang si button 2 ay hindi pinipindot
Button2isOnOff = digitalRead(Button2); //save and status ni button2
if (Button2isOnOff == HIGH) {
digitalWrite(Relay, LOW); //papatayin ang relay
}
}
}
RelayStatus = digitalRead(Relay)
//WEB SERVER
}
void loop(){
WiFiClient client = server.available(); // Listen for incoming clients
if (client) { // If a new client connects,
currentTime = millis();
previousTime = currentTime;
Serial.println("New Client."); // print a message out in the serial port
String currentLine = ""; // make a String to hold incoming data from the client
while (client.connected() && currentTime - previousTime <= timeoutTime) { // loop while the client's connected
currentTime = millis();
if (client.available()) { // if there's bytes to read from the client,
char c = client.read(); // read a byte, then
Serial.write(c); // print it out the serial monitor
header += c;
if (c == '\n') { // if the byte is a newline character
// if the current line is blank, you got two newline characters in a row.
// that's the end of the client HTTP request, so send a response:
if (currentLine.length() == 0) {
// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
// and a content-type so the client knows what's coming, then a blank line:
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println("Connection: close");
client.println();
// Display the HTML web page
client.println("<!DOCTYPE html><html>");
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
// CSS
client.println("<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px;");
client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
client.println(".button2 {background-color: #ad4242;}</style></head>");
// Web Page Heading
client.println("<body><h1>ESP32 Web Server</h1>");
// Display current state, and ON/OFF for Relay
client.println("<h2> Relay Status: </h2>");
// If the Relay is off, it displays the ON button
if (RelayStatus == HIGH) {
client.println("<p><a href=\"/12/on\"><button class=\"button\">ON</button></a></p>");
} else {
client.println("<p><a href=\"/12/off\"><button class=\"button button2\">OFF</button></a></p>");
}
client.println("</body></html>");
// The HTTP response ends with another blank line
client.println();
// Break out of the while loop
break;
} else { // if you got a newline, then clear currentLine
currentLine = "";
}
} else if (c != '\r') { // if you got anything else but a carriage return character,
currentLine += c; // add it to the end of the currentLine
}
}
}
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
}
}