Need help with my first project... and it's a large one

[CritSuccess]

I am relatively new to electronics and microcontrollers, but fairly experienced in programming. I have project I am working on that requires the following components:

power supply that can power all of the following...
programmable microcontroller (full package)
a laser diode driver (8.2V, current draw around 1.3A)
4 bipolar stepper motors (10V, 500mA each)
a strong computer case fan (7-12V, 0.5 to 1A)
photo sensor input (photointerrupter)

There are so many different options out there, it is a little confusing. What do I need to make all these work together? The parts and circuits must take up as little room as possible, and keeping cost low is nice. I need everything except for the laser diode driver.

What I "think" I want to use for that:
Prewired Modded 1.5A Microboost Driver For 445nm Didoes

Close Alternative:
FlexModP3 driver (adjustable and more versatile, but also more that I could mess up)

Thanks in advance for everyone's help and suggestions

 

[GreenGiant]

if you get a power supply that can output... up to 12-15V at 5 amps (6-7A if possible)

you would be able to use one model for everything, the only reason I say 15 is just to have a little more wiggle room with the voltage.

 

[CritSuccess]

Thanks for the reply. I've had some time to look around the internet and learn some stuff, and everything is coming together quite well. Hopefully, I'll be self-sufficient from here on out.

 

[poor mystic]

Perhaps a PC power supply would do.