Modular Arduino Prototyping

//**********************************************************//
//*                                                        *//
//*                   Lotus board &                        *//
//*                 Grove Sensor Demo                      *//
//*                                                        *//
//*                by learnelectronics                     *//
//*                   30 MAR 2020                          *//
//*           www.youtube.com/learnelectronics             *//
//*             email: arduino0169@gmail.com               *//
//*                                                        *//
//**********************************************************//



#include <DHT.h>                                                        //add DHT sensor library
#include <rgb_lcd.h>                                                    //add LCD library
#define DHTPIN 2                                                        //set digital pin2 as DHTPIN
#define DHTTYPE DHT11                                                   //set the sensor type as DHT 11

DHT dht(DHTPIN, DHTTYPE);                                               //assign dht as the name of DHT sensor, set the sensor pin as DHTPIN(pin2),set the sensor type as DHTTYPE(DHT11)

rgb_lcd lcd;                                                            //assign lcd as the name of rgb_lcd screen

void setup() {

  dht.begin();                                                          //initialise the dht sensor
  lcd.begin(16, 2);                                                     //initialise the lcd screen; set up the lcd's number of columns and rows:
  delay(2000);                                                          //wait for 2s
}

void loop() {

  int h = dht.readHumidity();                                           //store the humidity value to h
  int t = dht.readTemperature();                                        //store the temperature value to t(in Celsius)

  lcd.setCursor(0, 0);                                                  //set the LCD cursor to column 0, line 0
  lcd.print("Temperature:");                                            //Print text temperature: to the LCD
  lcd.setCursor(12, 0);                                                 //set the LCD cursor to column 12, line 0
  lcd.print(t);                                                         //Print temperature value t to the LCD
  lcd.setCursor(14, 0);                                                 //set the LCD cursor to column 14, line 0
  lcd.write(223);                                                       //Print temperature º is character 223 on lookup table
  lcd.print("C");                                                       //Print C to the LCD
  lcd.setCursor(0, 1);                                                  //set the LCD cursor to column 0, line 1
  lcd.print("Humidity: ");                                              //Print text Humidity: to the LCD
  lcd.setCursor(10, 1);                                                 //set the LCD cursor to column 10, line 1
  lcd.print(h);                                                         //Print humidity value h to the LCD
  lcd.setCursor(12, 1);                                                 //set the LCD cursor to column 12, line 1
  lcd.print("%");                                                       //Print sign % to the LCD

}