void loop() {

    if (digitalRead(D1) == LOW and stav == false)    // tlacitko bylo stisknuto pri rozepnutem rele (zhasnute LED)
      {
        delay(20);                                  // odruseni zakmitu pri stisku tlacitka
        digitalWrite(D7,HIGH);                       // sepnuti rele (rozsviceni LED)
            if(wifiClient.connect(server, 80)){
              Serial.println("OK");
              delay(1000);
              wifiClient.print("POST http://192.168.1.22/relayON");
              wifiClient.println(" HTTP/1.1");
              wifiClient.println("Host: 192.168.1.22");
              wifiClient.println("Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
              wifiClient.println("Connection: close");
              wifiClient.println();
              delay(1000);
              wifiClient.stop();
              Serial.println("Odeslano");
            }
        stav = true;                                // znacka, ze je aktualne sepnuto (rozsviceno)
        while (digitalRead(D1) == LOW)  ;            // cekani na uvolneni tlacitka (zadny prikaz uvnitr while smycky - to je ten samotny strednik)
        delay(20);                                  // odruseni zakmitu pri rozpinani tlacitka
      }


    if (digitalRead(D1) == LOW and stav == true)     // tlacitko bylo stisknuto pri sepnutem rele (rozsvicene LED)
      {
        delay(20);                                  // odruseni zakmitu pri stisku tlacitka
        digitalWrite(D7,LOW);                        // rozepnuti rele (zhasnuti LED)
              if(wifiClient.connect(server, 80)){
              Serial.println("OK");
              delay(1000);
              wifiClient.print("POST http://192.168.1.22/relayOFF");
              wifiClient.println(" HTTP/1.1");
              wifiClient.println("Host: 192.168.1.22");
              wifiClient.println("Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
              wifiClient.println("Connection: close");
              wifiClient.println();
              delay(1000);
              wifiClient.stop();
              Serial.println("Odeslano");
            }
        stav = false;                               // znacka, ze je aktualne rozepnuto (zhasnuto)
        while (digitalRead(D1) == LOW)  ;            // cekani na uvolneni tlacitka (zadny prikaz uvnitr while smycky - to je ten samotny strednik)
        delay(20);                                  // odruseni zakmitu pri rozpinani tlacitka
      }
}