ESP32 WiFi LED Control On-Off

Controlling Two LED On-Off using ESP32 WiFi _Web Server and Tablet
• ESP32 WiFi LED Control...
ESP32 Wifi Access Point as Router LED Control #DIY Module (Filipino)
• ESP32 Wifi Access Poin...

[@tagalogelectronics6615]

// Load Wi-Fi library
#include
// Network credentials Here
const char* ssid = "Bototoy";
const char* password = "12345678";
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
//variables to store the current LED states
String statePin15 = "off";
String statePin18 = "off";
//Output variable to GPIO pins
const int ledPin15 = 15;
const int ledPin18 = 18;
// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0;
// Define timeout time in milliseconds
const long timeoutTime = 2000;
void setup() {
Serial.begin(115200);

pinMode(ledPin15, OUTPUT); // set the LED pin mode
digitalWrite(ledPin15, 0); // turn LED off by default
pinMode(ledPin18, OUTPUT); // set the LED pin mode
digitalWrite(ledPin18, 0); // turn LED off by default
WiFi.softAP(ssid,password);

// Print IP address and start web server
Serial.println("");
Serial.println("IP address: ");
Serial.println(WiFi.softAPIP());
server.begin();
}
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 = 0) {
statePin15 = "on";
digitalWrite(ledPin15, HIGH); // turns the LED on
} else if (header.indexOf("GET /15/off") >= 0) {
statePin15 = "off";
digitalWrite(ledPin15, LOW); //turns the LED off
}

if (header.indexOf("GET /18/on") >= 0) {
statePin18 = "on";
digitalWrite(ledPin18, HIGH); // turns the LED on
} else if (header.indexOf("GET /18/off") >= 0) {
statePin18 = "off";
digitalWrite(ledPin18, LOW); //turns the LED off
}
// Display the HTML web page
client.println("");
client.println("");
client.println("");
// CSS to style the on/off buttons
client.println("html { font-family: monospace; display: inline-block; margin: 0px auto; text-align: center;}");
client.println(".button { background-color: yellowgreen; border: none; color: white; padding: 16px 40px;");
client.println("text-decoration: none; font-size: 32px; margin: 2px; cursor: pointer;}");
client.println(".button2 {background-color: gray;}");
client.println("ESP32 Web Server");
client.println("Control LED State");
if (statePin15 == "off") {
client.println("ON");
} else {
client.println("OFF");
}
if (statePin18 == "off") {
client.println("ON");
} else {
client.println("OFF");
}
client.println("");
// 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 != '
') { // 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("");
}
}