#include<LiquidCrystal.h>
#include"DHT.h"
#define DHTPIN 53 
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
#include <MD_Parola.h>
#include <MD_MAX72xx.h>
long cnt=0;
#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
#define MAX_DEVICES 1
#define CS_PIN 4
#define DATA_PIN 3
 #define CLK_PIN 2
MD_Parola myDisplay = MD_Parola(HARDWARE_TYPE,DATA_PIN,CLK_PIN, CS_PIN, MAX_DEVICES);

#include <MaxMatrix.h>
int DIN = 3;   // DIN pin of MAX7219 module
int CLK = 2;   // CLK pin of MAX7219 module
int CS = 4;    // CS pin of MAX7219 module
int maxInUse = 1;
MaxMatrix m(DIN, CS, CLK, maxInUse);
int cntde=0;


LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
int ledState = LOW;
unsigned long previousMillis = 0; 
const float BETA = 3950;
int temp2=0;
float f=0; //tempF
float t=0; //tempC
float  h=0; //humidity

void setup() {
  
  
  // Intialize the LCD object:
  myDisplay.begin();
  // Set the intensity (brightness) of the display (0-15):
  myDisplay.setIntensity(0);
  // Clear the display:
  myDisplay.displayClear();
  // initialize serial communication at 9600 bits per second:
 //Serial.begin(19200);
 lcd.begin(16,2);
  dht.begin();
  pinMode(5,OUTPUT);
  pinMode(6,OUTPUT);
  
  m.init(); // MAX7219 initialization
  m.setIntensity(0); // initial led matrix intensity, 0-15
  }

void loop() {
  //Read humitidy
   h = dht.readHumidity();
  // Read temperature as Celsius (the default)
   t = dht.readTemperature(false);
   //Read temperature as Fahrenheit (isFahrenheit = true)
   f = dht.readTemperature(true);
  
  unsigned long currentMillis = millis();
  
  
 int mypot=0;
 float mytemp=0;
 mypot=analogRead(A0); //Read pots wiper voltage as 0 to 1023 10 bit ad converter
 mytemp=analogRead(A1); //read the analog tempeture sensor
 // convert temp sensor voltage to degrees C
  float celsius =1/ (log(1 / (1023. / mytemp - 1)) / BETA + 1.0 / 298.15) - 273.15;
myDisplay.setTextAlignment(PA_CENTER);
myDisplay.setIntensity(0);

float voltage=mypot*(5.0/1023.0); // convert alalog steps to voltage
cnt ++;

/*Serial.print("Temperature = ");
  Serial.println(f,2);
  Serial.print("Humidity = ");
 Serial.println(h,2);
 Serial.print( "cnt ");
 Serial.println(cnt);
  */
lcd.setCursor(0, 1);
lcd.print(voltage);
lcd.setCursor(6,1);
lcd.print(f);
lcd.setCursor(6, 0);
lcd.print(t);
lcd.setCursor(0, 0);
char buffer1[10];
char buffer2[20];
//celsius=(celsius*1.8)+32;
//dtostrf(celsius,4,2,buffer2);
sprintf(buffer1, "%4d", mypot); // 4 trailing spaces
lcd.print(buffer1);
lcd.setCursor(12,0); // print humitidy
lcd.print(h,1);

 cntde++;


/*if (cntde>2){
   m.setColumn(3,61);// ease d
 cntde=0;
}
//draw arm up
  m.setDot(0,3,1);
    m.setDot(6,3,1);

delay(500);
//erase arm up
m.setDot(0,3,0);
    m.setDot(6,3,0);
  //dram arm down
m.setDot(0,5,1);
    m.setDot(6,5,1);
  delay(500);
  //erase arm down
  m.setDot(0,5,0);
    m.setDot(6,5,0);
  */
//the voltage at the pots wiper detrmins the blink speed lower=faster
if (currentMillis - previousMillis >= (mypot)) {
    // save the last time you blinked the LED
    previousMillis = currentMillis;
    if  (ledState ==LOW) {
     ledState = HIGH;
     //myDisplay.print("H");
    myprintL(); 
     lcd.setCursor(12, 1); //Print this to lcd here to slow it down to the blink rate
     lcd.print(celsius); //celsius has been convert to F         }
    }
      else {
      ledState = LOW;
      //myDisplay.print("L");
      myprintH();
    }
}
digitalWrite(5, !ledState);
digitalWrite(6, ledState);


}

void myprintL(){
  
m.setColumn(7,15);
m.setColumn(6,9);
m.setColumn(5,15);
m.setColumn(4,30);//with d 61=no d 253=d
m.setColumn(3,10);
m.setColumn(2,250);
m.setColumn(1,80);
m.setColumn(0,80);
//return;
  }

  void myprintH(){
m.setColumn(7,0);    
m.setColumn(6, 0);
m.setColumn(5,239);
m.setColumn(4,41);//with d 61=no d 253=d
m.setColumn(3,73);
m.setColumn(2,239);
m.setColumn(1,0);
m.setColumn(0,0);
  }