//30/05/2022 01:46:24
//Read DHT11.ino Chris Ward
//Arduino Uno, Classic BT using HC-05 module
//Temperature and Humidity read from DHT11

#include <DHT.h> //Adafruit Library
#include <SoftwareSerial.h>

#define DHTPIN 2
#define LIGHTPIN 1
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

SoftwareSerial miBT(10, 11); // Rx, Tx Bluetooth HC-05

int igLvl;
float fgHumidity;
float fgTemp;
unsigned long lgUpdateTime;

void setup()
{
               Serial.begin(9600);
                 miBT.begin(38400);
                  dht.begin();

               lgUpdateTime = millis();
}

void loop()
{
	           if(millis() - lgUpdateTime > 6000)      //Loop approx every 6 seconds
               {
                         lgUpdateTime = millis();

                               fgTemp = dht.readTemperature(); //ºC
                           fgHumidity = dht.readHumidity();
                                igLvl = analogRead(LIGHTPIN);

                         //To PC Arduino Serial Monitor via USB
                         Serial.print(fgTemp,2);
                         Serial.print("|");
                         Serial.print(fgHumidity,2);
                         Serial.print("|");
                         Serial.print(igLvl);
                         Serial.println();

                         //To Android App via Bluetooth
                         miBT.print(fgTemp,2);
                         miBT.print("|");              //Value delimiter
                         miBT.print(fgHumidity,2);
                         miBT.print("|");
                         miBT.print(igLvl);
                         miBT.println();               //Last line tells App "End of Data" = Ascii LineFeed Char Number 10
               }
}