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<nowiki>Once the ESP32 is set up, we … Once the ESP32 is set up, we can write a program to enable WebSerial communication. Here’s a simple example:

/*
  WebSerial Demo
  ------
  This example code works for both ESP8266 & ESP32 Microcontrollers
  WebSerial is accessible at your ESP's /webserial URL.

  Author: Ayush Sharma
  Checkout WebSerial Pro: https://webserial.pro
*/
#include 
#if defined(ESP8266)
  #include 
  #include 
#elif defined(ESP32)
  #include 
  #include 
#endif
#include 
#include 


#define Relay 2
AsyncWebServer server(80);

const char* ssid = "ELDRADO"; // Your WiFi SSID
const char* password = "amazon123"; // Your WiFi Password


/* Message callback of WebSerial */
void recvMsg(uint8_t *data, size_t len){
  WebSerial.println("Received Data...");
  String d = "";
  for(int i=0; i < len; i++){
    d += char(data[i]);
  }
  WebSerial.println(d);
  if (d == "ON"){
    digitalWrite(Relay, HIGH);
  }
  if (d=="OFF"){
    digitalWrite(Relay, LOW);
  }
}

void setup() {
    Serial.begin(115200);
    pinMode(Relay, OUTPUT);
    WiFi.mode(WIFI_STA);
    WiFi.begin(ssid, password);
    if (WiFi.waitForConnectResult() != WL_CONNECTED) {
        Serial.printf("WiFi Failed!\n");
        return;
    }
    Serial.print("IP Address: ");
    Serial.println(WiFi.localIP());
    // WebSerial is accessible at "/webserial" in browser
    WebSerial.begin(&server);
    /* Attach Message Callback */
    WebSerial.msgCallback(recvMsg);
    server.begin();
}

void loop() {
}

in this above sketch, I have added a relay control part with GPIO Pin2, if the serial input data is "ON" the really will on if it's "OFF" it will turn off the relay.

Once you upload the code to ESP32, look for the serial terminal to know the IP address of the ESP32.

Node: Change the Wi-Fi credentials.

In my case here is the response.e added a relay control part with GPIO Pin2, if the serial input data is "ON" the really will on if it's "OFF" it will turn off the relay.<br /><br />Once you upload the code to ESP32, look for the serial terminal to know the IP address of the ESP32.<blockquote>Node: Change the Wi-Fi credentials.</blockquote>In my case here is the response.</nowiki>

<section id="story"><br />The …

The ESP32 with WebSerial opens up a world of possibilities for IoT projects. By bridging the gap between the web and the physical world, we can create interactive, real-time applications that communicate with hardware devices. Whether you’re a hobbyist or a professional developer, the ESP32 with WebSerial is a powerful tool in your IoT toolkit. With this detailed guide, you should now have a solid understanding of how to set up and use the ESP32 with WebSerial. Happy coding!
2 with WebSerial. Happy coding!<br /></section> +
Before we can use WebSerial with the ESP32 … Before we can use WebSerial with the ESP32, we need to set up the ESP32 development environment. Here are the steps: * '''Install the Arduino IDE''': The Arduino IDE is a popular platform for writing and uploading code to the ESP32. You can download it from the official Arduino website. * '''Install the ESP32 Board in Arduino IDE''': You can add the ESP32 board to the Arduino IDE by going to '''File > Preferences > Additional Boards Manager URLs''' and adding the ESP32 board manager URL. This will allow the Arduino IDE to recognize the ESP32 board and provide the appropriate options for programming it. * '''Select the ESP32 Board''': Go to '''Tools > Board > ESP32 Arduino''' and select your ESP32 board. This tells the Arduino IDE that you will be programming an ESP32 board.board. This tells the Arduino IDE that you will be programming an ESP32 board. +
Next, we need to install the WebSerial library. Here’s how: * Go to <code>'''Sketch > Include Library > Manage Libraries'''</code>. * In the search bar, type <code>'''WebSerial'''</code>. * Click <code>'''Install'''</code>. +
WebSerial is a web standard that allows we … WebSerial is a web standard that allows websites to communicate with serial devices. It bridges the web and the physical world, enabling web applications to interact with hardware devices. This opens up a world of possibilities for IoT projects, allowing real-time interaction between web applications and physical devices.een web applications and physical devices. +
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