pasanlaksiri
03-10-2007, 08:28 PM
I found this circuit really simple and interesting. It is really simple to drive Nokia 3310 graphical LCD by using simple LPT cable and some PC software. Firs of all connect graphical LCD to LPT port according to following circuit:
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LPT_to_Nokia3310.PNG
Graphical display needs about 3.3V of supply voltage, while LPT gives about 4.5 -5V. This is why diodes are used to reduce voltage by formula: 4.5V-0.7V-0.7V=3.1V.
LCD pin numbering on Nokia 3310 LCD is as follows:
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LCD_pins.jpg
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LCD_in_progress.jpg
Go here for more info and Download software >> http://www.scienceprog.com/connect-nokia-3310-lcd-to-lpt-port/
Im working on it now. Try it by ur self.
These day 3310 lcds are dirt cheap:D U can buy it for less than 200 bucks. Good Luck
http://UploadYour.info/img/b7412ea56e.jpg
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LPT_to_Nokia3310.PNG
Graphical display needs about 3.3V of supply voltage, while LPT gives about 4.5 -5V. This is why diodes are used to reduce voltage by formula: 4.5V-0.7V-0.7V=3.1V.
LCD pin numbering on Nokia 3310 LCD is as follows:
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LCD_pins.jpg
http://www.scienceprog.com/wp-content/uploads/2006i/Nokia3310/LCD_in_progress.jpg
Go here for more info and Download software >> http://www.scienceprog.com/connect-nokia-3310-lcd-to-lpt-port/
Im working on it now. Try it by ur self.
These day 3310 lcds are dirt cheap:D U can buy it for less than 200 bucks. Good Luck
http://UploadYour.info/img/b7412ea56e.jpg