I got my instructions from Vendetta
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The majority of electronics in your house runs on DC. I'm not saying sending DC from the power plant to your house... but how about if there's a DC convert in your basement (or in the street), and have some sort of smart DC coming out your wall?
You'd eliminate an expensive component from your desktop, and those annoying plugs from every electronic devices.
And hey! the definition of primative is if this .netduino board has more memory than something, then that something is primative haha
@Minh: Then you would need a cord as thick as the secondairy cord of the XBox power brick for every device that requires DC.
And what voltages are you going to supply? +75 +50 +25 +15 +12 +6 +5 +3 -75 -50 -25 -15 -12 -6 -5 -3 and GND?
That's one bad a$$ cable!
How are you going to fit all that inside your walls?
We would need to define a new standard for cable and supplied voltage of course. So, let's say 1 connector out of the wall, but different connectors into each device.
So, a cable that promises to provide power for a PC would provide all the voltages above, and would come w/ an appropriately thick cable.
A cable the promises just enough voltage to power a printer would be a think cable.
And to power all the outlets in your house, you'd run cables to all of them that can supply the most voltage required, which is probably a PC.
Typical power blocks like the one on the XBox are switched power supplies. It would be cheaper to run on coil based power supplies, like the C64 one. But coils are more expensive to make. They cost way more copper.
Switched power supplies tend to use 5% of each individual AC sine wave (depending on their power output), while the power company will still charge you for 100% of it. Coils don't have this problem, instead of switch, they transform.
So, when energy prices justify the extra material investment, we will see a phase out of witched power supplies.
Another big problem, besides the huge wireing problem. is the signal noise problem. High voltages signals have a low signal to noise ratio. Because no noise signal is going to generate spikes that are as big as 220V. But if you take 1.5V for example, let's say you got a 0.5V spike, that's HUGE. Component dead.
The biggest problem of all is the losses in transporting low voltages. Losses in transport are dependent on current. Low current, low loss, high current, high loss, same as government spending and tax. How do you get low current? Higher voltage. So, if you lower the voltage, you get more current, you get more losses.
So it's not guaranteed that if you have such a supply in your basement, you cant get 5V in your attic. Maybe 3V or 2V or nothing at all.
But Maddus, my television signal is digital, that signal doenst loose it's strength over miles.
Yes, ofcourse, it's not ment to transfer power. So those signals operate with little current, almost nothing. So they are not prone to much energy loss, because there is little energy taken out of the signal.
A large number of household appliances depend on a standard Hz to function. Until we're able to make cheap solid-state washing machines, refrigerators, and vacuum cleaners, AC has some other advantages.
I could see adding a 3rd type of line to the house (i.e. 120v/240v/DC ???V) that would provide DC power for electronics and have a limited range of voltages, but perhaps it would be better to do this when solar/wind/home-fusion becomes more ubiquious.
I love the PS3 design in integrating the power supply *inside* the unit, I don't know why XBOX360 couldn't do the same
Well, PS3 is kinda BIG. Although I don't mind the size myself, it has tons of impact on general users though.
I am ok with power brick, it has many benefits (heat, replacement, etc), I just hate the rigid wires. And with power brick, I get even more rigid wires. And place it right next to my desktop, arrrggggg.