 );
 const char* pageTop = pageTopStr.c_str();
 const char* pageTop2 = "</title>\n"
+  "<meta charset=\"utf-8\">"
   "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">"
   "<style>body{background:#FFF;color: #000;font-family: sans-serif;}</style>"
   "</head><body>\n";

  f += "<h2>Configure a server</h2><p>\n";

  f += "<form method='POST' action='svrchz'> ";
  f += "<br/>IP address: <input type='textarea' name='svraddr'><br/><br/> ";
  f += "<input type='submit' value='Submit'></form></p>";

  f += pageFooter;

#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <DNSServer.h>
#include <FS.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <DHT.h>
