http://www.scienceprog.com/interfacing-lcd-to-atmega-using-two-wires/ ScienceProg serves scientific, embedded, biomedical engineering, physics based contents. If you want your article or scientific project to be on this site, do not hesitate to contact. Tue, 07 Feb 2012 20:33:17 +0200 hourly 1 http://wordpress.org/?v=3.3.1 http://www.scienceprog.com/interfacing-lcd-to-atmega-using-two-wires/#comment-211 Conectarea unui lcd 44780 prin 2 sau 3 fire « Arduino Project -Arduino Romania Tue, 07 Dec 2010 22:17:45 +0000 http://www.scienceprog.com/interfacing-lcd-to-atmega-using-two-wires/#comment-211 [...] from the arduino playground forum for pointing out a way of using only two wires! He found it at ScienceProg.com. There should still be the option of using 3 wires as before, if needed (see second [...] [...] from the arduino playground forum for pointing out a way of using only two wires! He found it at ScienceProg.com. There should still be the option of using 3 wires as before, if needed (see second [...]

]]> http://www.scienceprog.com/interfacing-lcd-to-atmega-using-two-wires/#comment-210 scienceprog Mon, 22 May 2006 21:39:26 +0000 http://www.scienceprog.com/interfacing-lcd-to-atmega-using-two-wires/#comment-210 I have corrected this schematic by including AND gate for enabling E pin of LCD. LCD will be enabled when both Data input and shift registers output Q7 will be logical "1". Without AND gate it was impossible to clear LCD because while clearing data shifts forward through E pin and this enables LCD multiple times by by writing dummy data to it. I have corrected this schematic by including AND gate for enabling E pin of LCD. LCD will be enabled when both Data input and shift registers output Q7 will be logical “1″. Without AND gate it was impossible to clear LCD because while clearing data shifts forward through E pin and this enables LCD multiple times by by writing dummy data to it.

]]>