Antoher LCD Smartie topic, advice

Using Arduino Project Guidance
1

hi there, very long time ago i used to have a 16x2 LCD display conected to my PC via pararell port... the display was uber useful because show info like temp, free space on the disk, winamp graphics and tittle song, etc etc etc...
well the conection was pretty basic just solder a printer cable to the pins of the LCD and draw some power from the PSU, then use LCD Smartie to control all.

in today days things are differents! you need something to translate the USB info to a serial thing and blah blah blah... so you can use a ready to use kit that is expensive or just attach the LCD to an Arduino board, load some libraries and you are ready, my problem i dont know how to do it, from what arduino board should buy to the wiring diagram and what libraries should use.
i dont have many knoledge to understand the plans and need some kind of idiot proof tutorial xD

Now i do some search on aliexpress (i am from Chile btw so electronics parts are limited) and think i am more close to the project, here a list of parts that i think i need:

i also found this but dont know what do and if help: LINK

Thanks!

2

I would prefer LCD attached via I2C I2C-1602-Serial-Blue-Backlight-LCD-Display

3

Whandall:
I would prefer LCD attached via I2C I2C-1602-Serial-Blue-Backlight-LCD-Display

Thanks for yor reply, what is diffirent wih the display that i choice?

4

It needs only two I2C pins (plus power) and it is cheaper?

5

Maybe:
http://dangerousprototypes USB and serial LCD backpack - LCD Smartie

Ray

6

Whandall:
It needs only two I2C pins (plus power) and it is cheaper?

plz, check again LINK i think is the same only different thing is the display (20x4, instead 16x2) or i am wrong?

7

Sorry, I should have looked closer.

8

Whandall:
Sorry, I should have looked closer.

No problem!, you know if is that all the hardware that i need to buy to use it with LCD Smartie? the 2004 LCD with the i2c backpack and a Arduino UNO-R3-MEGA328P clone?

thanks again