#define wschLED 6  
#define zachLED 5  

int analogValue1 = 1;
float voltage1 = 1;
int analogValue = 0;
float voltage = 0;

void setup() 
{ 
  Serial.begin(9600); 
 pinMode(wschLED,OUTPUT);
 pinMode(zachLED,OUTPUT);
}
void loop()
  analogValue = analogRead(3);
  voltage = 0.0048*analogValue(0);
 
  analogValue1 = analogRead(1);
  voltage1 = 0.0048*analogValue1;
   Serial.print("wschód = ");
   Serial.println(voltage);
    Serial.print("zachód = ");  
   Serial.println(voltage1);
 if ((voltage1 > 4.1)&&(voltage1.0 > 3.5))
     {
      digitalWrite(zachLED,HIGH);
      digitalWrite(wschLED,HIGH);
     } 
   else  if  (voltage < (voltage1+0.2) &&( voltage > voltage1-0.2)) 
  {
    digitalWrite(zachLED,LOW);
    digitalWrite(wschLED,LOW);
  }
   else if (voltage <( voltage1+0.5))
  {