Eine Zeile entkommentiert und der Sketch sketcht 
ssid undPassworte sind hier gelöscht
/*********
Rui Santos
Complete project details at ESP32 WebSocket Server: Control Outputs (Arduino IDE) | Random Nerd Tutorials
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
*********/
// Import required libraries
#include <WiFi.h>
#include <AsyncTCP.h>
#include <ESPAsyncWebServer.h>
// Variablen für bestehendes W-LAN
const char* ssid = "selber ändern";
const char* password = "selber ändern";
// Variablen für (A)ccesc (P)oint
//const char* apssid = "selber ändern";
//const char* appassword = "selber ändern";
//IPAddress apip(192,168,xxx,xxx);
IPAddress ip(192,168,xxx,xxx);
IPAddress dns(192,168,xxx,1);
IPAddress gateway(192,168,xxx,1);
IPAddress subnet(255,255,255,0);
//WiFi.config(ip, dns, gateway, subnet); Diese Zeile ist es
bool ledState1 = 0;
const int ledPin1 = 2;
// Create AsyncWebServer object on port 80
AsyncWebServer server(80);
AsyncWebSocket ws("/ws");
const char index_html[] PROGMEM = R"rawliteral(
ESP32 Schalt-Server
html {
font-family: Arial, Helvetica, sans-serif;
text-align: center;
}
h1 {
font-size: 1.8rem;
color: white;
}
h2{
font-size: 1.5rem;
font-weight: bold;
color: #143642;
}
.topnav {
overflow: hidden;
background-color: #143642;
}
body {
margin: 0;
}
.content {
padding: 30px;
max-width: 600px;
margin: 0 auto;
}
.card {
background-color: #F8F7F9;;
box-shadow: 2px 2px 12px 1px rgba(140,140,140,.5);
padding-top:10px;
padding-bottom:20px;
}
.button {
padding: 15px 50px;
font-size: 24px;
text-align: center;
outline: none;
color: #fff;
background-color: #0f8b8d;
border: none;
border-radius: 5px;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-tap-highlight-color: rgba(0,0,0,0);
}
/*.button:hover {background-color: #0f8b8d}*/
.button:active {
background-color: #0f8b8d;
box-shadow: 2 2px #CDCDCD;
transform: translateY(2px);
}
.state {
font-size: 1.5rem;
color:#8c8c8c;
font-weight: bold;
}
ESP Web Server
Fern-Schaltbox
Schalter - Stehlampe
Zustand: %STATE%
Toggle
)rawliteral";
void notifyClients() {
ws.textAll(String(ledState1));
}
void handleWebSocketMessage(void *arg, uint8_t data, size_t len) {
AwsFrameInfo info = (AwsFrameInfo)arg;
if (info->final && info->index == 0 && info->len == len && info->opcode == WS_TEXT) {
data[len] = 0;
if (strcmp((char)data, "toggle") == 0) {
ledState1 = !ledState1;
notifyClients();
}
}
}
void onEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventType type,
void *arg, uint8_t *data, size_t len) {
switch (type) {
case WS_EVT_CONNECT:
Serial.printf("WebSocket client #%u connected from %s\n", client->id(), client->remoteIP().toString().c_str());
break;
case WS_EVT_DISCONNECT:
Serial.printf("WebSocket client #%u disconnected\n", client->id());
break;
case WS_EVT_DATA:
handleWebSocketMessage(arg, data, len);
break;
case WS_EVT_PONG:
case WS_EVT_ERROR:
break;
}
}
void initWebSocket() {
ws.onEvent(onEvent);
server.addHandler(&ws);
}
String processor(const String& var){
Serial.println(var);
if(var == "STATE"){
if (ledState1){
return "ON";
}
else{
return "OFF";
}
}
}
void setup(){
// Serial port for debugging purposes
Serial.begin(115200);
pinMode(ledPin1, OUTPUT);
digitalWrite(ledPin1, LOW);
// Connect to Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.println("Connecting to WiFi..");
}
// Print ESP Local IP Address
Serial.println(WiFi.localIP());
initWebSocket();
// Route for root / web page
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
request->send_P(200, "text/html", index_html, processor);
});
// Start server
server.begin();
}
void loop() {
ws.cleanupClients();
digitalWrite(ledPin1, ledState1);
}