Adding buttons in LCD Hardware

deuceace · Post by **deuceace** » November 2nd, 2008, 6:21 pm

Hello experts,:D
I want to know how can i add buttons to my lcd hardware(HD44780).
I am new in this field, i don't know anything deeply about digital communication.

I found that the pin R/W must be HIGH when i press a button. is that is right?

I have some elementary knowledge about PIC Microcontrollers, can i use it to add buttons, is that is safe?

I don't know the input DATA BUS for a button is HIGH, anyone please help me if am right about R/W.

Anyone please help me to add buttons, i can't find any tutorial or article about it.

Post by **caesar** » November 5th, 2008, 9:57 pm

Welcome to the forums!

I am pretty sure that this is what you are looking for: http://forums.lcdsmartie.org/viewtopic.php?t=876

Good luck with it!

Post by **mattcro** » November 6th, 2008, 8:41 pm

For PIC or AVR microcontroller LCD projects, see:
http://forums.lcdsmartie.org/viewtopic.php?t=299
http://forums.lcdsmartie.org/viewtopic.php?t=501
http://forums.lcdsmartie.org/viewtopic.php?t=303

Also search for PIC, AVR or backpack...

Terminal with LCD and buttons using PIC:
http://www.bobblick.com/techref/project ... dterm.html