I have to use these pins exclusively?
//LiquidCrystal lcd(RS, E, D4, D5, D6, D7);LiquidCrystal lcd(7, 8, 9, 10, 11, 12); // put your pin numbers here
Ok,i wired everything like this link http://arduino.cc/en/Tutorial/LiquidCrystali run the example 'Hello,world' and everything was fine except the fact that the backlight doesn't work.
i must tell you that i used a 4.7K potentiometer (instead of 10K in the example)
there are somethings that don't need fixing
The chances of making an error on a "Working" assembly trying to save 500 uA seems to be of dubious merit.
The operating thought here is not likely... rephrased... Wanna Bet? If you don't touch it you didn't break it maybe. It has been my experience for far longer than I like to think that the less handling of any item the less chance for an inadvertent 'something' to happen.
Electronically I am Very conservative and in my old age ...
Do remember that it was only my opinion... for 500 uA?