74HC595 basics

I am working on an proj, and nt an expert in programming.,

here is my problem i am facing,

-> need to individually control 120 LEDs

-> for which thought of using shift register 74HC595, bt d thing is i am nt able to understand d sample prog given in tutorial,
need help understanding more abt shiftOut, bitWrite, lowByte , highByte.

-> if possible, help me out in program for controlling d 120 LEDs., d sequence in which d LED needs to gt HIGH depends on d alphabet dey send in through serial monitor and d LEDs to be lit up are hard-coded in d code; a comparison is done wit d character sent via serial monitor and d hard-coded sequence is used for illuminating d LEDs...

could any suggest me an efficient methods...

Thank u...

added data :

d hardcoded data :

byte A=B10000000;
byte B=B01100000;
.
.
.
byte Z=B01001001;

and if thro serial monitor 'A' is sent den, will do a comparison and send d value pertaining to byte A, and corresponding LEDs will b illuminated., d reason y 120 is it will b accepting a string nt just a character...

could any suggest me an efficient methods...

What is the point of providing an efficient method if I quote:

am nt able to understand d sample prog given in tutorial

I suggest you hook up a single register, some led's, and resistors, and stick to that hardware set up until you can make sense of the shiftOut function and the tutorial/sample reference.

Reading the datasheet may help, you-tube videos are in abundance.

bt d thing is i am nt able to understand d sample prog given in

The use of text-speak is going to significantly reduce the number of usable responses you receive.

The use of text-speak is going to significantly reduce the number of usable responses you receive.

Agreed.

wow wow., i am not a expert and all., a newbie., just wanted to learn few stuffs., and asked for help..

i read through the tutorials and reference pages and face problems while using shift-register., it would be helpful if i could get a solution to my problem.

d reason y 120 is it will b accepting a string nt just a character...

Yes, well we have foreign language parts of the forum, and if we had a Gibberish one I would have moved your post to that.

If you are expecting us to take the time to help you, you might consider taking the time to form a proper sentence with real words.

This might help you about the 595:

Don't cross-post:

http://arduino.cc/forum/index.php/topic,109711.msg823866.html
http://arduino.cc/forum/index.php/topic,109719.msg823901.html
http://arduino.cc/forum/index.php/topic,109713.msg823871.html

Three cross-posts, wow.

All deleted.

Do that again, and get a ban.

hey as i was new to this forum stuffs, didnt know d proper stuffs., the things i learned now are avoid text speech and cross posting ...

posted so much as i seriously wanted to learn more stuffs about shift register so that i can complete my project work..

Well, you could read the "sticky":

Read this before posting a programming question

I posted a link to where I got 32 LEDs to work. Extending that should be simple.

Thanks alot., will avoid my mistakes., and thanks for the link..