Dritte Teil des Projekts, Kommunikation zwischen ESP32 Modulen.

#include <Arduino.h>
#include "WiFi.h"
#include <esp_now.h>

//parameter für die Kerne
TaskHandle_t Nucleo1;
TaskHandle_t Nucleo2;

//parameter hc sr501
const int pir = 14;
const int led = 2;
const int rele = 12;
int det = 0; //si detecta envia un uno
int releEstado =0;//si detecta envia 1

//parameter Sendung
uint8_t broadcastAddress[] = {0xc0, 0x49, 0xef, 0xca, 0x38, 0xd0};

//variable Meldung
typedef struct struct_message {
  int id;
  int a;
  int b;
} struct_message;

struct_message myData;

esp_now_peer_info_t peerInfo;

void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status){
  //Serial.print("\r\nStatus des letzten Pakets:\t");
  //Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Erfolgreich" : "Der Versand ist fehlgeschlagen");
}

void Tarea_Nucleo1( void * pvParameters ){
  for(;;){
   // Serial.println("Dies läuft auf Kernel 1");
    delay(1000);
  
  if (digitalRead(pir) == LOW){
    det = 0;
    digitalWrite(led, LOW);
  }
  if (digitalRead(pir) == HIGH){
    det = 1;
    digitalWrite(led, HIGH);
  }
  myData.b = det;
  myData.id = 1;

  esp_now_register_send_cb(OnDataSent);
  
  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
  if(result == ESP_OK){
  //  Serial.println("Erfolgreich");
  }
  else{
    Serial.println("Fehler beim Sendung");
  }
  } 
}

void Tarea_Nucleo2( void * pvParameters ){
  for(;;){
  //  Serial.println("Dies läuft auf Kernel 2");
  //  Serial.println();
    delay(1000);
    if (digitalRead(pir) == LOW){
    digitalWrite(rele, LOW);
    releEstado=0;
  } else if(digitalRead(pir) == HIGH){
    digitalWrite(rele, HIGH);
    releEstado=1;
  }
  
  myData.a = releEstado;
  myData.id = 1;

  esp_now_register_send_cb(OnDataSent);
  
  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
  if(result == ESP_OK){
  //  Serial.println("Erfolgreich");
  }
  else{
    Serial.println("Fehler im Sendung");
  }
  if (releEstado==1){
    //Serial.println("Relaisstatus 1");
    delay(600000);
  } else {
    //Serial.println("Relaisstatus 0");
    delay(1000);
  }
  }
}

void setup(){
  Serial.begin(9200);
  //parametros del rele
  pinMode(rele, OUTPUT);
  //parametros del hc sr501
  pinMode(pir, INPUT);

  pinMode(led, OUTPUT);

  WiFi.mode(WIFI_STA);

  xTaskCreatePinnedToCore(Tarea_Nucleo1,"Tarea1",10000,NULL,1,&Nucleo1,1);
  xTaskCreatePinnedToCore(Tarea_Nucleo2,"Tarea2",10000,NULL,1,&Nucleo2,0);

  if(esp_now_init() != ESP_OK){
    Serial.println("Fehler Initialisieren ESP-NOW");
    return;
  }

  memcpy(peerInfo.peer_addr, broadcastAddress, 6);
  peerInfo.channel = 0;
  peerInfo.encrypt = false;

  if(esp_now_add_peer(&peerInfo) != ESP_OK){
    Serial.println("Fehler beim Hinzufügen peer");
    return;
  }
}

void loop(){
  
}

#include <Adafruit_Sensor.h>
#include <Arduino.h>
#include "DHT.h"
#include <WiFi.h>
#include <esp_now.h>

#define DHTPIN 14
#define vent 12
#define DHTTYPE DHT11   // DHT 11

DHT dht(DHTPIN, DHTTYPE);

float temperatura = 5.00;
int temperatura2=0;
int led = 0;

//parametros del envio
uint8_t broadcastAddress[] = {0xc0, 0x49, 0xef, 0xca, 0x38, 0xd0};

//Struktur und Variablen der Meldung
typedef struct struct_message {
  int id;
  int a;
  int b;
} struct_message;

struct_message myData;

esp_now_peer_info_t peerInfo;

void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status){
  Serial.print("\r\nStatus des letzten gesendeten Pakets:\t");
  Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Erfolgreich versendet" : "Fehler beim Versand");
}

void setup() {
  Serial.begin(9600);

  pinMode(vent, OUTPUT);

  Serial.println(F("DHTxx test!"));
  dht.begin();

  WiFi.mode(WIFI_STA);

  if(esp_now_init() != ESP_OK){
    Serial.println("Fehler bei der Initialisierung ESP-NOW");
    return;
  }

  memcpy(peerInfo.peer_addr, broadcastAddress, 6);
  peerInfo.channel = 0;
  peerInfo.encrypt = false;

  if(esp_now_add_peer(&peerInfo) != ESP_OK){
    Serial.println("Fehler beim Hinzufügen peer");
    return;
  }
}

void loop() {
  
  delay(3000);

  float h = dht.readHumidity();
  
  float t = dht.readTemperature();
  
  float f = dht.readTemperature(true);

  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  float hif = dht.computeHeatIndex(f, h);

  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);
  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("°C "));
  Serial.print(hif);
  Serial.println(F("°F"));

  if (t>=23.00){
    digitalWrite(vent, HIGH);
    led=1;
  } else {
    digitalWrite(vent, LOW);
    led=0;
  }

  temperatura=t;
  temperatura2=(int)temperatura;
  myData.b = temperatura2;
  myData.a = led;
  myData.id = 2;

  esp_now_register_send_cb(OnDataSent);
  
  esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &myData, sizeof(myData));
  if(result == ESP_OK){
    Serial.println("enviado con exito");
  }
  else{
    Serial.println("fallo en el envio");
  }
}

#include <WiFi.h>
#include <Arduino.h>
#include <esp_now.h>

// Replace with your network credentials
const char* ssid     = "ESP32AP";
const char* password = "123456789";

// Set web server port number to 80 
WiFiServer server(80);

// Variable to store the HTTP request
String header;

// Auxiliar variables to store the current output state
String outputDetector = "Bewegungsmelder";
String outputLampara = "Status der Lampe";
String outputLed = "estado del led";
String outputTemperatura = "Temperatur:";


int releEstado = 0; 
int det = 0; 
int id = 0;
int temperatura = 0; 

typedef struct struct_message{
  int id;
  int a;
  int b;
} struct_message;

struct_message myData;

void OnDataRecv(const uint8_t *mac, const uint8_t *incomingData, int len){
  memcpy(&myData, incomingData, sizeof(myData));
}

void setup() {
  //Teil AP und Web Server
  Serial.begin(9200);
 
  // Connect to Wi-Fi network with SSID and password
  Serial.print("Configuracion AP (Punto de Aceso)…");

  IPAddress local_ip(192,168,1,1);
  IPAddress gateway(192,168,1,1);
  IPAddress subnet(255,255,255,0);

  // Remove the password parameter, if you want the AP (Access Point) to be open

  WiFi.mode(WIFI_AP_STA);
   //ESP-NOW
  if(esp_now_init() != ESP_OK){
    Serial.println("Error iniciando ESP_NOW");
    return;
  }
  WiFi.softAPConfig(local_ip, gateway, subnet);

  WiFi.softAP(ssid, password);

  IPAddress IP = WiFi.softAPIP();
  Serial.print("AP IP direccion: ");
  Serial.println(IP);
  
  server.begin();

}

void loop(){
  
//ESP-NOW
if(esp_now_register_recv_cb(OnDataRecv) != ESP_OK){
 esp_now_deinit();
  det=0;
  releEstado=0;
  id=0;
} else {
esp_now_register_recv_cb(OnDataRecv);
  det = myData.b;
  releEstado = myData.a;
  id = myData.id;
}
if (id==1){
  det=myData.b;
}else if(id==2){
  temperatura=myData.b;
}

//AP und Web Server
  WiFiClient client = server.available();   // Listen for incoming clients

  if (client) {                             // If a new client connects,
    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()) {            // loop while the client's connected
      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();
            
            // turns the GPIOs on and off
            if (id == 1){
              if (det == 1) {
                Serial.println("outputDetector on");
                outputDetector = "on";
              
              } else if (det == 0){
                Serial.println("outputDetector off");
                outputDetector = "off";
              
              } 
              if (releEstado == 1) {
                Serial.println("outputLampara on");
                outputLampara = "on";
              
              } else if (releEstado == 0){
                Serial.println("outputLampara off");
                outputLampara = "off";
              
              } 
            } else if(id == 2){
              if (releEstado == 1) {
                Serial.println("outputLed on");
                outputLed = "on";
              
              } else if (releEstado == 0){
                Serial.println("outputLed off");
                outputLed = "off";
              
              } 
            } else {
              Serial.println("no recibo nada");
            }
            
            // Display the HTML web page
            client.println("<!DOCTYPE html><html>");
            client.println("<head><meta http-equiv=refresh content=5 name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
            client.println("<link rel=\"icon\" href=\"data:,\">");
            // CSS to style the on/off buttons 
            // Feel free to change the background-color and font-size attributes to fit your preferences
            client.println("<style>html { font-family: Helvetica; display: inline-block; margin: 0px auto; text-align: center;}");
            client.println("text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}</style></head>");
            
            // Web Page Heading
            client.println("<body><h1>ESP32 Web Server</h1>");
            
            // If the output26State is off, it displays the ON button
                 
              if (outputDetector=="on") {
                client.println("<p>Ich empfange ein Sensorsignal</p>");
              } else {
                client.println("<p>Ich empfange nicht ein Sensorsignal</p>");
              } 
              //Information über Lampe
              if (outputLampara=="on") {
                client.println("<p>Die Lampe leuchtet</p>");
              } else {
                client.println("<p>Die Lampe leuchtet nicht</p>");
              }  
              //Information Relais
              if (outputLed=="on") {
                client.println("<p>Die Led leuchtet</p>");
              } else {
                client.println("<p>Die Led leuchtet nicht</p>");
              } 
            client.print("<p>Die Temperatur ist in Grad: </p>");
            client.println(temperatura);
            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("");
  }
  
}