Soronlin

looks like I've got me some baking to do!

You are right; R1 is superfluous because SW1 could switch the power directly.

I don't believe there is a signal "high-while-pi-on" — certainly not on the B. That is the signal that you make on a GPIO pin.

Why not put SW1 in place of R1 ?
I have designed same circuit except only use one relay

dont let the software service control R2, just a high-while-pi-on 3.3 or 5.5v pin

When pi powers up, 5,5v pin active R2, when makes a soft-shutdown goes low (0v) and cut off R2

The Raspberry Pi is not a good replacement for a PC. It is slow and it doesn't display Flash video.

However, the answer to your questions is "yes". It can do all that and, for most of it, it is good enough.

The sites you don't mention that will be problems are Youtube and Netflix. I think it is possible to get Youtube working, but probably only by installing a different browser. Netflix will probably never be supported.

You can get more advice over on the Raspberry Pi Forum. They're very friendly.

Hi,
This might be a silly question but I'm trying to get my brother into the idea of "DIY" projects. This seems like right up his alley. However, being 13, he's going to expect to be able to utilize Facebook, Instagram, etc. He's going to want to be able to upload and save images. That is possible, correct?

Also, is it possible to transfer files (images, videos, etc.) via the USB port?

Thanks!

The stuff about how you never did this in school all depends on whether you left at 15, were an arts student or were a science/maths student. As an arts student currently doing an MA, believe me, I understand all about drafting and redrafting!!

I'll recommend this to my creative writing students - I think it will particularly help those who are science students most of the time and can't see the process as being anything remotely similar. Thank you!

I have found that the length and quality of the cable matters if you expect to plug anything into the USB ports of the Raspberry Pi. I have lots of cables but the only ones that work reliably are of the three-foot variety.

I don't really know why, but when I use cables that are longer than three feet, they only work if plugged into a computer's USB hub and not a USB power supply such as the Nook Color charger. But, using the same charger and a shorter cable usually works. It's weird but not unexpected.

Good website, thanks.

73 de M0BOB.

I wouldn't. If the voltages are different even by a small amount you will get large currents flowing between the chargers which may damage them and will almost certainly mean the Pi wont work.

There seems to be an erroneous indentation on the line that says:
self.capabilities = set()

There have been a few fixes. In fact I've just had to make a fix to let it work with Python 2.6, because that's what is on the Raspberry Pi. The if statement in line 101 (or wherever I've just made it move to) is valid Python.

Maybe it's been fixed in the past few weeks? but I don't see that on line 100. I do see that line 101 is
if not (1 <= x <= boardsize and 1 <= y <= boardsize):

Line 100 of the Gold Horse program is

if not (1 0:

which gets a syntax error, What should it be?

So if you have a bunch of old cell phone chargers laying around, and none of them have enough current, can you wire a couple of them together to get the juice you need?

I couldn't agree more! I don't run into it often, but it really trips up all of my users when it happens. And don't get me started on the Ribbon Bar. Maybe it is more intuitive for brand new users, but it still slows me down every time I have to poke around to find something.