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README.md

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 # ESP32
 Testing with the ESP32
+## Contains
+This repo contains my projekts to get a feel for the esp32.

simple_web/simple_web.ino

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+//
+// A simple server implementation showing how to:
+//  * serve static messages
+//  * read GET and POST parameters
+//  * handle missing pages / 404s
+//
+#define LED_BUILTIN 2
+#include <Arduino.h>
+#ifdef ESP32
+#include <WiFi.h>
+#include <AsyncTCP.h>
+#elif defined(ESP8266)
+#include <ESP8266WiFi.h>
+#include <ESPAsyncTCP.h>
+#endif
+#include <ESPAsyncWebServer.h>
+
+AsyncWebServer server(80);
+
+const char* ssid = "*******";
+const char* password = "*******";
+
+const char* PARAM_MESSAGE = "message";
+
+void notFound(AsyncWebServerRequest *request) {
+    request->send(404, "text/plain", "Not found");
+}
+
+void setup() {
+    pinMode(LED_BUILTIN, OUTPUT);
+
+    Serial.begin(115200);
+    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());
+
+    server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
+        request->send(200, "text/html", "<a href=\"/on\">Turn the LED ON</a><a href=\"/off\">Turn the LED OFF</a>");
+    });
+    server.on("/on", HTTP_GET, [](AsyncWebServerRequest *request){
+        request->send(200, "text/html", "<a href=\"/on\">Turn the LED ON</a><a href=\"/off\">Turn the LED OFF</a>");
+        digitalWrite(LED_BUILTIN, HIGH);
+    });
+    server.on("/off", HTTP_GET, [](AsyncWebServerRequest *request){
+        request->send(200, "text/html", "<a href=\"/on\">Turn the LED ON</a><a href=\"/off\">Turn the LED OFF</a>");
+        digitalWrite(LED_BUILTIN, LOW);
+    });
+
+    // Send a GET request to <IP>/get?message=<message>
+    server.on("/get", HTTP_GET, [] (AsyncWebServerRequest *request) {
+        String message;
+        if (request->hasParam(PARAM_MESSAGE)) {
+            message = request->getParam(PARAM_MESSAGE)->value();
+        } else {
+            message = "No message sent";
+        }
+        request->send(200, "text/plain", "Hello, GET: " + message);
+    });
+
+    // Send a POST request to <IP>/post with a form field message set to <message>
+    server.on("/post", HTTP_POST, [](AsyncWebServerRequest *request){
+        String message;
+        if (request->hasParam(PARAM_MESSAGE, true)) {
+            message = request->getParam(PARAM_MESSAGE, true)->value();
+        } else {
+            message = "No message sent";
+        }
+        request->send(200, "text/plain", "Hello, POST: " + message);
+    });
+
+    server.onNotFound(notFound);
+
+    server.begin();
+}
+
+void loop() {
+}