About LCD8bits tutorial

Sorry but i've got some prob to understand the LCD init command line in the script.

I've bought a 16x4 LCD and i'm not sure to understand how to initialize the lcd et print some caracters on it.

I'm really a newb with lcd display.
my lcd come from conrad,

to initialize
command page

i'd wired like this
LCD*|| ARDUINO BOARD

01 - Vss |------| GND
02 - Vdd |------| 5V
03 - Vee |------| 10KOHMS POT
04 - RS |------| PIN12
05 - R/W |------| PIN11
06 - E |------| PIN2
07 - DB0 |------| PIN10
08 - DB1 |------| PIN9
09 - DB2 |------| PIN8
10 - DB3 |------| PIN7
11 - DB4 |------| PIN6
12 - DB5 |------| PIN5
13 - DB6 |------| PIN4
14 - DB7 |------| PIN3
15 - +4,2 |------| ?
16 - K 0V |------| ?

  • : LCD DISPLAY 16*4 ANAG VISION AV1640YFBY-SJ

init sequence is the same...
but....
i'd tested several time with minor modifications on the script.... only one time it's writing something on the display...
i'm enable to redo this...
what's wrong...
i suppose it's an init prob but!!!!

i'm loosing my patience.... >:(

helps would be appreciate