String kerdes1, kerdes2;
int a=0, b=0;

void setup() {

  // Start Serial
  Serial.begin(115200);
  delay(2000);

  beallitasok:

  a=0;
  Serial.println();Serial.println();
  Serial.println(); Serial.print("Mi a wifi halozat neve? ");

  do{
  if (Serial.available()) {
    kerdes1 = Serial.readStringUntil('\n');
    kerdes1.trim();
    delay(100);
    if (kerdes1!=""){Serial.println(kerdes1); a=1;}
    }} while (a==1);

  Serial.println(); Serial.print("Mi a wifi halozat jelszava? ");

  do{
  if (Serial.available()) {
    kerdes2 = Serial.readStringUntil('\n');
    kerdes2.trim();
    delay(100);
    if (kerdes2!=""){Serial.println(kerdes2); b=1;}
    }} while (b==1);

Serial.println(); Serial.print("Az uj halozat: "); Serial.println(kerdes1);
Serial.print("Az uj halozat jeszava: "); Serial.println(kerdes2);


void loop() {}