ESPAsyncWebserver grundlegendes ArduinoJSON-Handler-Beispiel

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espasyncwebserver_basic_handler.cpp
server.on("/api/test", HTTP_GET, [](AsyncWebServerRequest *request) {
    // Mit JSON {"status": "ok"} antworten
    AsyncResponseStream *response = request->beginResponseStream("application/json");
    DynamicJsonDocument json(1024);
    json["status"] = "ok";
    serializeJson(json, *response);
    request->send(response);
});

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