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tecnologia:iot:panel_baterias [2022/04/28 21:19] – admintecnologia:iot:panel_baterias [2022/04/30 13:55] (current) – jose
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 </code> </code>
  
 +===== Muestra mensaje leido de internet con scroll =====
 +<code>
 +#include <MD_Parola.h>
 +#include <MD_MAX72xx.h>
 +#include <SPI.h>
 +#include <WiFi.h>        // Include the Wi-Fi library
 +#include <HTTPClient.h>
 +#include <ESPAsyncWebServer.h>
 +#include <AsyncElegantOTA.h>
  
 +
 +// Uncomment according to your hardware type
 +#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
 +//#define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW
 +
 +// Defining size, and output pins
 +#define MAX_DEVICES 4
 +#define CS_PIN 5
 +
 +const char* ssid     = "mi_red_wifi";
 +const char* password = "mi_contraseña_wifi";
 +
 +IPAddress ip(192,168,1,91);     
 +IPAddress gateway(192,168,1,1);   
 +IPAddress subnet(255,255,255,0); 
 +IPAddress dns(8,8,8,8);
 +
 +AsyncWebServer server(80);
 +
 +String mensaje="";
 +
 +String serverPath = "http://mensaje.lobo99.com/mensaje.txt";
 +
 +
 +MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
 +
 +void setup() {
 + 
 +  Display.begin();
 +  Display.setIntensity(0);
 +  Display.displayClear();
 +  String mensaje = "Conectando WIFI: " + String(ssid);
 +  Display.displayScroll(mensaje.c_str(), PA_CENTER, PA_SCROLL_LEFT, 25);
 +    
 +  Serial.begin(115200);         // Start the Serial communication to send messages to the computer
 +  delay(10);
 +  Serial.println('\n');
 +  
 +  WiFi.begin(ssid, password);             // Connect to the network
 +  WiFi.config(ip, gateway, subnet, dns);
 +  Serial.print("Connecting to ");
 +  Serial.print(ssid);
 +
 +  while (WiFi.status() != WL_CONNECTED) { // Wait for the Wi-Fi to connect
 +    if (Display.displayAnimate()) {
 +      Display.displayReset();
 +    } 
 +  }
 +
 +  Serial.println('\n');
 +  Serial.println("Connection established!");  
 +  Serial.print("IP address:\t");
 +  Serial.println(WiFi.localIP());         // Send the IP address of the ESP8266 to the 
 +
 +  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
 +    request->send(200, "text/plain", "V1.0 http://mensaje.lobo99.com/mensaje.txt");
 +  });
 +  
 +  
 +  AsyncElegantOTA.begin(&server);    // Start AsyncElegantOTA
 +  server.begin();
 +  Serial.println("HTTP server started");
 +  Display.print("V 1.0");
 +  delay(1000);
 +
 +        //Display.displayScroll(payload.c_str(), PA_CENTER, PA_SCROLL_LEFT, 25);
 +Display.setTextAlignment(PA_CENTER);
 +Display.displayScroll("hola", PA_CENTER, PA_SCROLL_LEFT, 25);
 +}
 +
 +void loop() {
 +  AsyncElegantOTA.loop();
 +      
 +  if(WiFi.status()== WL_CONNECTED){
 +
 +      HTTPClient http;
 +      
 +      // Your Domain name with URL path or IP address with path
 +      http.begin(serverPath.c_str());
 +            
 +      
 +      // Send HTTP GET request
 +      int httpResponseCode = http.GET();
 +      
 +      if (httpResponseCode>0) {
 +        Serial.print("HTTP Response code: ");
 +        Serial.println(httpResponseCode);
 +        String payload = http.getString();
 +
 +        Serial.println(payload);
 +        const char* mensaje=payload.c_str();
 +        Serial.println(mensaje);
 +        Display.displayClear();
 +        Display.displayScroll(mensaje, PA_CENTER, PA_SCROLL_LEFT, 25);
 +        
 +        while(!Display.displayAnimate())
 +        {
 +          Serial.println("while");     
 +        }
 +      }
 +      else {
 +        Serial.print("Error code: ");
 +        Serial.println(httpResponseCode);
 +      }
 +      // Free resources
 +      http.end();
 +  }
 +  else {
 +    Serial.println("WiFi Disconnected");
 +  }
 +}
 +</code>
tecnologia/iot/panel_baterias.1651180797.txt.gz · Last modified: by admin