#include <DHT.h> 
DHT sensor1(PA0, DHT22);
DHT sensor2(PA1, DHT22);

float humidity1;
float humidity2;
int state;

void setup(){
  pinMode(PB1,OUTPUT);
  pinMode(PB0,INPUT_PULLDOWN);
}

void loop() {
  if(digitalRead(PB0)==HIGH){
      humidity1 = sensor1.readHumidity();
      humidity2 = sensor2.readHumidity();
      if(humidity1 <50.0 && humidity2<50){
        digitalWrite(PB1,HIGH);
        state = 1;
      }
      else if(humidity1 >=50.0 && humidity2>=50){
        digitalWrite(PB1,LOW);
        state = 0;
      }
      else{
        digitalWrite(PB1,state);
      }
  }
  else{    
  }
      delay(10);
}