#include <DHT.h>
#include <Stepper.h>
#include <Wire.h>

DHT dht(2, DHT22);

const float GAMMA = 0.7;
const float RL10 = 50;

const int steps = 100;
Stepper myStepper(steps, 8, 9, 10, 11);

int myRelay = 12;
volatile byte relayState = LOW;

void setup() {
  myStepper.setSpeed(60);
  Serial.begin(9600);
  dht.begin();
}

void loop() {
  delay(1000);
  int analogValue = analogRead(A0);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  

  
  if(relayState == LOW){
    Serial.print("lux: ");
    Serial.println(lux,1);
    myStepper.step(steps);
  }
  if(relayState == HIGH){
    Serial.print("вологість: ");
    Serial.print(h,1);
    Serial.print("%  температура: ");
    Serial.print(t,1);
    Serial.println("C");
    myStepper.step(-steps);
  }
  if(t<0){
    relayState = HIGH;
  }
  if(t>0){
    relayState = LOW;
  }

}