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Full Discussion: Very Basic Arduino Uno Board Testing
Top Forums Programming Very Basic Arduino Uno Board Testing Post 303042280 by Neo on Friday 20th of December 2019 05:51:34 AM
Old 12-20-2019
For completeness, here is the sketch I used for the 1602 demo above:


Code:
/*
  LCD Display with I2C Interface Demo
  lcd-i2c-demo.ino
  Use NewLiquidCrystal Library
  DroneBot Workshop 2018
  https://dronebotworkshop.com
  Modified by Neo December 2019
  https://www.unix.com
*/

// Include Wire Library for I2C
#include <Wire.h>
// Include NewLiquidCrystal Library for I2C
#include <LiquidCrystal_I2C.h>

// Define LCD pinout
const int en = 2, rw = 1, rs = 0, d4 = 4, d5 = 5, d6 = 6, d7 = 7, bl = 3;

// Define I2C Address - change if reqiuired
const int i2c_addr = 0x27;

LiquidCrystal_I2C lcd(i2c_addr, en, rw, rs, d4, d5, d6, d7, bl, POSITIVE);

void setup()
{

    // Set display type as 16 char, 2 rows
    lcd.begin(16, 2);

    // Print on first row
    lcd.setCursor(0, 0);
    lcd.print("Hello Neo!");

    // Wait 1 second
    delay(1000);

    // Print on second row
    lcd.setCursor(0, 1);
    lcd.print("How are you?");

    // Wait 8 seconds
    delay(8000);

    // Clear the display
    lcd.clear();
}

void loop()
{

    // Demo 1 - flash backlight
    lcd.setCursor(0, 0);
    lcd.print("Do you need unix");
    lcd.setCursor(0, 1);
    lcd.print("or linux help ??");

    delay(3000);
    lcd.clear();

    // Flash backlight 4 times
    for (int i = 0; i < 6; i++)
    {
        lcd.backlight();
        delay(250);
        lcd.noBacklight();
        delay(250);
    }

    // Turn backlight back on
    lcd.backlight();

    // Demo 2 - scroll
    lcd.setCursor(0, 0);
    lcd.print("Visit UNIX.com @");
    delay(4500);
    lcd.setCursor(0, 2);
    lcd.print("www.unix.com  ");
    delay(2500);
    // set the display to automatically scroll:
    lcd.autoscroll();
    // print from 0 to 9:
    for (int thisChar = 0; thisChar < 15; thisChar++)
    {
        lcd.print(' ');
        delay(500);
    }
    // turn off automatic scrolling
    lcd.noAutoscroll();

    // clear screen
    lcd.clear();

    //Delay
    delay(1000);
}

So fun... really... I had no idea playing with the Arduino could be so much fun.
Last edited by hicksd8; 12-20-2019 at 07:06 AM..
This User Gave Thanks to Neo For This Post:
hicksd8
 

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LEARN ABOUT DEBIAN

procmeter3-lcd

PROCMETER3-LCD(1)					      General Commands Manual						 PROCMETER3-LCD(1)

NAME

       procmeter3-lcd - A system monitoring program with LCDproc display.

SYNOPSIS

       procmeter3-lcd [-h|--help] [--rc=<filename>] [--...]  [...]

DESCRIPTION

       ProcMeter  Displays one or more pieces of information about the operating system and other resources.  Most of the information that is dis-
       played comes from the /proc filesystem.	The program is modular and very configurable.

OPTIONS

       The command line options are described below.

       -h     Provides a help message listing the available outputs.  This will be different for different computers depending on the Linux kernel
	      version that is being used and the hardware/software that is configured.

       --rc=<filename>
	      Load the specified .procmeterrc file in stead of the searching in the usual places.

       --...  A  list  of  configuration file options that will override the values in the .procmeterrc file.  The format of these options is (for
	      example) --LCD.host=localhost which is equivalent to the entry in the .procmeterrc file of

	       [LCD]
	       host = localhost

	      All spaces around the equal sign must be removed and if spaces are required in the value on the right hand side then quotes must	be
	      used around the entire command line option.

       ...    A  list  of  names of outputs that are to be displayed.  This can include any of the outputs that are available (see the -h option).
	      For the CPU usage is in a module named Statistics with an output named CPU and there are graph (-g), text (-t) and bar (-b) options.
	      To display the CPU usage graph you would use the command line option Statistics.CPU-g

USAGE

       When  started  the program will display on an attached LCD display using the LCDd daemon program (from http://lcdproc.omnipotent.net).  The
       outputs that are displayed are those from the command line and those from the .procmeterrc configuration file.

MODULES

       The modules that are available for procmeter3-lcd are described in the procmeter3_modules(1) manual page.

SEE ALSO

       procmeterrc(5) procmeter3_modules(1)

AUTHOR

       Andrew M. Bishop 1998-2007

								   July 3, 2010 						 PROCMETER3-LCD(1)
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