Help with ordering components.. (getting a nice hobby selection going)

thanks for the tip about TI ... (I think maxim does the same...no?) (was many years ago)

noob question:

I see a lot of talk about 'SPI'

Is this a specific 'PIN'? or a protocol?

I believe I have seen it in reference to SD card.. and/or Audio as well??

Re: shift registers..

yes easy to code/command (target) would be nice...

I am hoping I can make some nice animations/patterns with it..

another noob moment..

MAX7221 is good one, SPI.transfer to 1 of 8 registers.

does this ean the chpi has 8 leads.. and each pin can control/have up to 8 leds on it?

8x8 = 64 leds in total?

(again..only because Im not 100% sure....I do not want to do anything with cubes or matrix'... just led 'ladder/strip'.. where I can target as many/all leds if I so choose for on/off patterns.

@CR-

I dont understand the physical size comment?

I am looking for several different sizes of caps.. (both SMD and traditional style/package...for breadboard)