diagram.json

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries
AsyncTCP@wokwi:4f5e87acf004319cc1b2dcc4e55baf920b6d6892
ESPAsyncWebServer@wokwi:0cf09b5c148feb04914900f951648cdb15acd49b
ESP-DASH@wokwi:d9fa2c4727d9e43d0db0099622bbe489c07c3b2d
ArduinoJson
OneWire
DallasTemperature
LiquidCrystal I2C


libraries.txt

#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
//#include <LiquidCrystal.h>
//LiquidCrystal lcd(D0, D1, D2, D3, D4, D5);
#include <LiquidCrystal_I2C.h>
AsyncWebServer server(80);
LiquidCrystal_I2C lcd(0x27, 16, 2);
const char* ssid = "Wokwi-GUEST";  //wifi ssid
const char* password = "";   //wifi password

const char* PARAM_INPUT_1 = "input1";

const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML><html><head>
  <title>Smart Notice Board</title>
  <meta name="viewport" content="width=device-width, initial-scale=5">
<p> <font size="7" face="sans-serif"> <marquee> Smart Notice Board </marquee> </font> </p>
  </head><body><center>
<h1>......WELL-COME TO MICRODIGISOFT..... </h1><br>
  <form action="/get">
    Enter Text to Display: <input type="text" name="input1">
    <input type="submit" value="Send">
  </form><br>

</center></body></html>)rawliteral";

void notFound(AsyncWebServerRequest *request) {
  request->send(404, "text/plain", "Not found");
}

void setup() {
  Serial.begin(115200);
  //lcd.begin(16, 2);
  lcd.init();
  // turn on LCD backlight
  lcd.backlight();
  lcd.print("");
  //lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Smart Notice Board");
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  if (WiFi.waitForConnectResult() != WL_CONNECTED) {
    Serial.println("WiFi Failed!");
    return;
  }
  Serial.println();
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("IP Address: ");
  lcd.setCursor(0, 1);
  lcd.print(WiFi.localIP());


  server.on("/", HTTP_GET, [](AsyncWebServerRequest * request) {
    request->send_P(200, "text/html", index_html);
  });

  server.on("/get", HTTP_GET, [] (AsyncWebServerRequest * request) {
    String message;
    String inputParam;
    if (request->hasParam(PARAM_INPUT_1)) {
      message = request->getParam(PARAM_INPUT_1)->value();
      inputParam = PARAM_INPUT_1;
      //lcd.clear();
      lcd.setCursor(0, 0);

      lcd.print(message);
    }
    else {
      message = "No message sent";
      inputParam = "none";
    }
    Serial.println(message);

    request->send(200, "text/html", index_html);
  });
  server.onNotFound(notFound);
  server.begin();
}

void loop() {
  for (int positionCounter = 0; positionCounter < 29; positionCounter++) {
    lcd.scrollDisplayLeft();
    delay(400);
  }
}