This sketch demonstrates how to use the Grove LCD RGB Backlight module.

06.10_-_Grove_LCD_RGB_Backlight_Hello.ino

/*  06.10 - Grove LCD RGB Backlight module Hello World
 *   
   This sketch demonstrates how to use the Grove LCD RGB Backlight module.

   It will print a welcome message and start a counter, with a red backlight.

   
   Components
   ----------
    
    - Grove Base Shield
    - An Arduino Uno compatible board (such as Arduino/Genuino Uno or Seeeduino)
    - Grove LCD RGB Backlight module
    - One Grove cable
    
    IDE
    ---
    
    Arduino IDE
    
    Libraries
    ---------
    
    - Wire.h (part of the Arduino IDE)
    - rgb_lcd.h (Get it from https://github.com/Seeed-Studio/Grove_LCD_RGB_Backlight)
    
    Connections
    -----------
    
    Use a Grove cable to connect the module to Base Shield connector D3.
    
    Other information
    -----------------
    
    - Use this sketch along side the video lecture 06.12 of Grove For Busy People
    - Grove documentation: http://wiki.seeedstudio.com/Grove-LCD_RGB_Backlight/
    - Grove component: https://txplo.re/0c9fb
    
    Github Gist
    -----------
    <script src="https://gist.github.com/futureshocked/b5ef95308362d63169637a2d8d7b7ece.js"></script>

    https://gist.github.com/futureshocked/b5ef95308362d63169637a2d8d7b7ece
    
    For course information, please go to https://techexplorations.com/product/grove-for-busy-people/
        
    Created on July 5 2019 by Peter Dalmaris
*/

/*
  Hello World.ino
  2013 Copyright (c) Seeed Technology Inc.  All right reserved.

  Author:Loovee
  2013-9-18

  Grove - Serial LCD RGB Backlight demo.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#include <Wire.h>
#include "rgb_lcd.h"

rgb_lcd lcd;

const int colorR = 150;
const int colorG = 155;
const int colorB = 100;

void setup() 
{
    // set up the LCD's number of columns and rows:
    lcd.begin(16, 2);
    
    lcd.setRGB(colorR, colorG, colorB);
    
    // Print a message to the LCD.
    lcd.print("hello, world!");

    delay(1000);
}

void loop() 
{
    // set the cursor to column 0, line 1
    // (note: line 1 is the second row, since counting begins with 0):
    lcd.setCursor(6, 1);
    // print the number of seconds since reset:
    lcd.print(millis()/1000);

    delay(100);
}