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A tutorial on interfacing LCDs (liquid crystal displays) with Arduino. We take a look at libraries and the role they play
...and the potential issues, errors and troubleshooting involved.
We look at several types of displays but concentrate on the 4x20
Sparkfun serial enabled
LCD display.
SparkFun kit from my
Amazon Store:
http://astore.amazon.com/m0711-20?_encoding=
UTF8&node;=33
A link to the SparkSoftLCD library for the Arduino by
C. A. Church - fixes issue with float variables on serial enabled
LCD displays:
http://mjlorton.com/forum/index
.php?topic=425.0
Link to new Arduino software /
IDE 1.0.5:
http://arduino.cc/en/main/software
Link to the LiquidCrystal library with examples and wiring:
http://arduino.cc/en/Tutorial/LiquidCrystal
Link to the SparkFun SerLCD 2.5 datasheet:
https://www.sparkfun.com/datasheets/
LCD/SerLCD_V2_5
.PDF
Link to
the Hitachi HD44780U dot-matrix liquid crystal display controller datasheet:
https://www.sparkfun.com/datasheets/LCD/
HD44780.pdf
SparkFun LCD displays:
https://www.sparkfun.com/categories/76?page=all
How to install Arduino libraries / Installing Additional Arduino
Libraries:
http://arduino.cc/en/
Guide/Libraries
How to create a library for Arduino / Writing a
Library for Arduino:
http://arduino.cc/en/
Hacking/LibraryTutorial
Troubleshooting compiling errors:
error: WConstants.h: No such file or directory
error:
Wires.h: No such file or directory
Change /
point library to Arduino.h
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My website and forum:- http://www.mjlorton.com
Donations and contributions:- http://www.mjlorton.com
My techie channel MJLorton -
Solar Power and
Electronic Measurement Equipment - http://www.youtube.com/MJLorton
My
Techie Amazon Store: http://astore.amazon.com/m0711-20
My other channel VBlogMag - For almost any topic under the sun! - http://www.youtube.com/VBlogMag
My VBlogMag Amazon Store: http://astore.amazon.com/vblogmag-20
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Video sponsor,
Pass Ltd - their websites:
At checkout use the discount / promotion code "mjlorton" for 5% off.
http://www.tester.co.uk/?cmid=QmhzQjcxYjVlc1E9&afid;=bFcwbzliNzVDc289&ats;=K2EyUjZNTDh3UTA9 -
Test Equipment and Test-meter suppliers and
http://www.calibrate.co.uk/?cmid=QmhzQjcxYjVlc1E9&afid;=bFcwbzliNzVDc289&ats;=S3Yxd2tOMjVISzA9 -
Calibration and service of test equipment
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Music clip from PatternMusic by
Richard Lawler
www.PatternMusic.com
(used under creative commons Attribution-ShareAlike Unported
3.0)
http://creativecommons.org/licenses/by-sa/3.0/
**********************************************************************************
- published: 20 Sep 2013
- views: 141298