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http://akizukidenshi.com/catalog/items2.php?p=1&q=%22P-00040%22
http://akizukidenshi.com/catalog/items2.php?p=1&q=%22P-00038%22
http://akizukidenshi.com/pdf/sunlike/SC1602B.pdf
http://pdf1.alldatasheet.com/datasheet-pdf/view/37318/SAMSUNG/KS0066.html
http://www.sparkfun.com/datasheets/LCD/HD44780.pdf
http://home.iae.nl/users/pouweha/lcd/lcd.shtml
http://www.geocities.jp/chako_ratta/micon/lcd_hd44780_cgram.html