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Topic: Newbie - Trouble with LCD and "Hello World" sketch. (Read 451 times) previous topic - next topic


I think then majority of post would be in that section along-with you and me

Not me. I'm not psychic. Psychotic, maybe.  8)


Jan 05, 2013, 06:43 pm Last Edit: Jan 05, 2013, 06:49 pm by Khalid Reason: 1
You will be there in that forum..because you enjoy posting in such threads $)...and i will, because i enjoy your posts :smiley-mr-green:  i am psychic because i enjoy your posts..so what you think You are...the creator of such posts that i enjoy ]:D


I have checked the LCD on the raspberrypi and it works without issues, so i know the hardware is good.

the example code i have been using:
  LiquidCrystal Library - Hello World

Demonstrates the use a 16x2 LCD display.  The LiquidCrystal
library works with all LCD displays that are compatible with the
Hitachi HD44780 driver. There are many of them out there, and you
can usually tell them by the 16-pin interface.

This sketch prints "Hello World!" to the LCD
and shows the time.

  The circuit:
* LCD RS pin to digital pin 12
* LCD Enable pin to digital pin 11
* LCD D4 pin to digital pin 5
* LCD D5 pin to digital pin 4
* LCD D6 pin to digital pin 3
* LCD D7 pin to digital pin 2
* LCD R/W pin to ground
* 10K resistor:
* ends to +5V and ground
* wiper to LCD VO pin (pin 3)

Library originally added 18 Apr 2008
by David A. Mellis
library modified 5 Jul 2009
by Limor Fried (http://www.ladyada.net)
example added 9 Jul 2009
by Tom Igoe
modified 22 Nov 2010
by Tom Igoe

This example code is in the public domain.


// include the library code:
#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

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

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

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