==== LCD + Keypad circuit ==== please HELP
davidchoi
Posts: 7
i buy a 2x8 LCD for my project, this one:
http://img151.imagevenue.com/img.php?image=16089_SBII_collect_2X8LCD_122_413lo.JPG
i want to use a keypad to control my 2x8 LCD,
i find that a circuit for LCD + Keypad, but it is use for 4x20 LCD
circuit:
http://img216.imagevenue.com/img.php?image=16088_keypad_and_lcd_interface_122_126lo.JPG
I see that the pin is not same,so i want to ask that how to change this circuit to 2x8 LCD?????
http://img151.imagevenue.com/img.php?image=16089_SBII_collect_2X8LCD_122_413lo.JPG
i want to use a keypad to control my 2x8 LCD,
i find that a circuit for LCD + Keypad, but it is use for 4x20 LCD
circuit:
http://img216.imagevenue.com/img.php?image=16088_keypad_and_lcd_interface_122_126lo.JPG
I see that the pin is not same,so i want to ask that how to change this circuit to 2x8 LCD?????