#include <SoftwareSerial.h>
int ledPin = 9;
String readString;
int zmienna;
int zmienna1;
bool wa=false;
SoftwareSerial HCO6(0,1);
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
HCO6.begin(9600);
pinMode(ledPin, OUTPUT);
Serial.println("AT+NAMEOkrut");
}

void loop() {
  // put your main code here, to run repeatedly:
while(HCO6.available()){
  delay(3);

 char c = HCO6.read();
 // if(i<2)
  readString +=c;
 // else
 // zmienna = (int)c;
//  i++;
 // if(
}
if(readString.length()>0){
  Serial.println(readString);
  if(readString.toInt()>=0  && readString.toInt()<=256)
  {
    zmienna = readString.toInt();
    //zmienna = round(zmienna);
    analogWrite(ledPin, zmienna);
    Serial.println(zmienna);
  }else
  {
    zmienna1 = readString.toInt();
  }
  if(readString == "on"){
    digitalWrite(ledPin, HIGH);
  }
  if(readString == "off"){
    digitalWrite(ledPin, LOW);
  }
  readString="";


}
 if(wa==true){
     analogWrite(ledPin, zmienna);
     wa=false;

  }else
  {
    analogWrite(ledPin, 0);
    wa=true;
  }
 delay(zmienna1);
}