Practical library series : TextLCD with shift-register (4 wire)
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日本語版はこちら： 実用ライブラリシリーズ：シフトレジスタを使ったTextLCD制御ライブラリ (４線式)
Abstract
TextLCD library made by Mr.Simon is great.
So I can use a text based LCD easily.
But the connection need more than 6 wires (RS, EN, DB4-DB7).
The schematics and the library in this document can use a text based LCD with just 4 wire.
Schematics
The library and a test program
- TextLCD_SR4 (Current version don't use DB0 to DB3.)
- TextLCD_SR4_TestProgram
Next...
The different version of the interface can drive a LCD with only 2 wires I know.
I'd like to test it. :)
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Practical library series : TextLCD with shift-register (4 wire)
Page owner: 
Shinichiro Nakamura
Created 25 Oct 2010.
Last updated 26 Oct 2010