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by Wooloomooloo
Tue Dec 20, 2011 11:40 pm
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 59081

Re: Controlling a mains power socket switch? (home automation)

<t>Quote from Gert van Loo on December 19, 2011, 12:56<br/> My biggest worry:<br/> If anybody dies using the circuit I will feel very bad. Also it is rather a risk in the current climate of 'sue the pants of everybody' so I am reluctant to give out the board.<br/> On the one hand, you being responsi...
by Wooloomooloo
Tue Dec 20, 2011 6:50 pm
Forum: General discussion
Topic: Power Flow-chart
Replies: 24
Views: 6044

Re: Power Flow-chart

<t>Quote from bradburts on December 20, 2011, 17:03<br/> I would be very interested in a 'dumb softees' summary on how the power works when its all figured & especially how I could get back to 1W.<br/> <br/> Would you link the LDO article plz?<br/> I partly followed the Pi on battery discussions...
by Wooloomooloo
Tue Dec 20, 2011 5:28 pm
Forum: Other projects
Topic: Passively Cooled Web-Server
Replies: 112
Views: 13774

Re: Passively Cooled Web-Server

Quote from obarthelemy on December 20, 2011, 14:25
you need to start using nerd jokes:
Yeah, well, the problems start when your kids start reading said nerd jokes too... :)
by Wooloomooloo
Tue Dec 20, 2011 2:31 pm
Forum: Staffroom, classroom and projects
Topic: Teaching Youngsters Programming
Replies: 131
Views: 32122

Re: Teaching Youngsters Programming

<t>Quote from meltwater on December 20, 2011, 14:03<br/> I think the trick is to pick the right level of language for the person learning, there needs to be a balance between the work and the pay off.<br/> i.e. Basic/logo, the work is simple but the pay off is limited, C# is harder but you can do a ...
by Wooloomooloo
Tue Dec 20, 2011 9:10 am
Forum: General discussion
Topic: Power Flow-chart
Replies: 24
Views: 6044

Re: Power Flow-chart

<r>Quote from nullstring on December 20, 2011, 07:36<br/> Unfortunately, it looks like we're burning all the excess power when dropping from 5v to any of the other voltages..<br/> Based on an older post (<URL url="http://www.raspberrypi.org/for.....ostid-1936">http://www.raspberrypi.org/for.....osti...
by Wooloomooloo
Mon Dec 19, 2011 2:27 pm
Forum: Other projects
Topic: Do I need a gertboard to run a servo
Replies: 47
Views: 12707

Re: Do I need a gertboard to run a servo

<t>...On the other hand, one could always simply take a dedicated part (SPI or I2C controllable PWM generator - going mostly under the name "LED driver" these days) with half a gazillion outputs like PCA9685 or similar, which seems to go for like 2-3 bucks. Then again, the Arduino is famous for bein...
by Wooloomooloo
Sun Dec 18, 2011 10:36 pm
Forum: Staffroom, classroom and projects
Topic: BASIC - more harmful than useful?
Replies: 899
Views: 145596

Re: BASIC - more harmful than useful?

<t>Quote from jamesh on December 18, 2011, 22:09<br/> It could be argued, probably successfully, that had computers stayed with assembler, then then PC wouldn't exist, smartphones wouldn't exist, almost anything computer controlled wouldn't exist.<br/> <br/> HLL's are the reason why we have all this...
by Wooloomooloo
Sat Dec 17, 2011 11:30 pm
Forum: General discussion
Topic: if its good copy it?
Replies: 112
Views: 20851

Re: if its good copy it?

<r>It\'s rather amusing to read all the rather ill-informed but oh-so-righteous indignation going on in this thread. Now just to be clear, I\'m in no way associated with those guys or able to vouch for their honesty, all I did (apparently alone) was to read up a bit on their website and mailing list...
by Wooloomooloo
Sat Dec 17, 2011 3:17 pm
Forum: Other projects
Topic: Raspberry PI with an arduino...
Replies: 26
Views: 16268

Re: Raspberry PI with an arduino...

<t>To keep in line with the actual topic, here's an idea: one - if not the top - reason I'm interested in the RasPi is to use it as a standalone CNC controller (yes I do find lugging around a big honking PC - with a parallel port no less - possibly with a monitor and keyboard just to control a small...
by Wooloomooloo
Fri Dec 16, 2011 10:21 pm
Forum: Other projects
Topic: Raspberry PI with an arduino...
Replies: 26
Views: 16268

Re: Raspberry PI with an arduino...

<t>Quote from linuxboi on December 2, 2011, 13:32<br/> The thing to remember is that the Arduino handles power spikes and shorts very well, if you get something wrong on the GPIO's on the Raspberry Pi then you will more than likely kill the board. So i think is a great way to program/interface your ...
by Wooloomooloo
Thu Dec 15, 2011 9:12 pm
Forum: General discussion
Topic: UK Government: Children to be taught programming
Replies: 93
Views: 13770

Re: UK Government: Children to be taught programming

<t>Well, for what it's worth, IO is absolutely necessary to make a computer interesting for me too. But hey, I'm in embedded stuff, so no big surprise there.<br/> <br/> But the fact remains that back then it was awesome to stick two DACs on the parallel port (also known as a "Covox") and hey presto ...
by Wooloomooloo
Thu Dec 15, 2011 8:41 pm
Forum: Staffroom, classroom and projects
Topic: BASIC - more harmful than useful?
Replies: 899
Views: 145596

Re: BASIC - more harmful than useful?

<t>Quote from hippy on December 15, 2011, 17:13<br/> The stock answer is 'more capable hardware allows things to be done easier, quicker or with less effort' so it depends what end result one is looking for; a shorter and easier development cycle or a faster performing system.<br/> <br/> I'm not sur...
by Wooloomooloo
Wed Dec 14, 2011 9:19 pm
Forum: Staffroom, classroom and projects
Topic: BASIC - more harmful than useful?
Replies: 899
Views: 145596

Re: BASIC - more harmful than useful?

<t>Quote from adric22 on December 14, 2011, 14:53That is what the Pi needs.. something that runs full screen that is easy to learn within a few minutes.<br/> +1<br/> <br/> First-timers need something they can immediately interact with (and I mean immediately), something that steps aside and lets the...
by Wooloomooloo
Wed Dec 14, 2011 12:36 am
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 399516

Re: Cases for the Raspberry Pi

I have a feeling the Pi would fit fairly comfortably inside a compact cassette case (if you can still find one) - an opaque case would probably work best, possibly with a cover like this inside (or whatever was historically accurate):
by Wooloomooloo
Mon Dec 12, 2011 8:03 pm
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 399516

Re: Cases for the Raspberry Pi

<r>Oh, now we are firmly in "Gremlins" territory. With a bit of "Batteries not included" sprinkled on for good measure. And while we're at it, a next-gen Furby that can actually "look" using a built-in camera (and has the CPU power to try to actually "see") would again be all kinds of awesome... <E>...
by Wooloomooloo
Mon Dec 12, 2011 12:51 pm
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 399516

Re: Cases for the Raspberry Pi

<r>Quote from riffraff on December 12, 2011, 11:33<br/> Thinking of just using an old VHS cassette for a case. Got nice little windows, a little flap that can close over the ports. Any title suggestions? I was thinking of "Short Circuit" or maybe "The Lawnmower Man".<br/> <br/> Naaaw, come on! "Expl...
by Wooloomooloo
Mon Dec 12, 2011 10:01 am
Forum: Staffroom, classroom and projects
Topic: Learning computer fundamentals
Replies: 4
Views: 1911

Re: Learning computer fundamentals

<r>I would take anything he says with a pinch - wait, no, a bloody truckload of salt. I'm not familiar with the specific podcast you mention (and it might be full of perfectly good facts for all I know), but in general, the kindest thing one can say about Gibson is that he's controversial. Some go a...
by Wooloomooloo
Mon Dec 12, 2011 9:37 am
Forum: General discussion
Topic: GPU and boot
Replies: 28
Views: 4025

Re: GPU and boot

<t>I don\'t think there\'s a point in rehashing this either - but even though I have no vested interest in this debate, I have to say I had the same reflex of crying \"what?\" reading KME\'s original post (the one that started the whole BIOS thing); I believe he knew what he was talking about and wh...
by Wooloomooloo
Fri Dec 09, 2011 8:40 pm
Forum: General discussion
Topic: All I want for Christmas is...
Replies: 14
Views: 2458

Re: All I want for Christmas is...

<r>[quote]<B><s>[b]</s>Quote from obarthelemy on December 9, 2011, 15:27<e>[/b]</e></B><br/> all I want for Xmas is for Mariah Carey to die a horrible death. That video with Bieber should be banned on grounds of awfulness on so many levels.<br/> Proposed antidote: [embed]<URL url="http://www.youtube...
by Wooloomooloo
Wed Dec 07, 2011 12:44 pm
Forum: General discussion
Topic: Shame about the lack of VGA
Replies: 4
Views: 1057

Re: Shame about the lack of VGA

<r>Well, it can be argued that anything currently bought is going to have an HDMI / DVI input on it (which would be false by the way - just got a new LCD monitor for my parents\' PC, none of the low-end ones had anything other than VGA) but the matter of fact is that even video card makers stopped u...
by Wooloomooloo
Wed Dec 07, 2011 9:29 am
Forum: Off topic discussion
Topic: How many here actually *care* about the goals of the project?
Replies: 147
Views: 24634

Re: How many here actually *care* about the goals of the project?

<r>Quote from radu on December 7, 2011, 07:02<br/> I've never been in a 3rd world country, but I know places in Europe, some even in EU, where people are so poor that they don't even have a TV. If this project is not aimed at poor people, then I don't see why someone would pick this to teach general...
by Wooloomooloo
Tue Dec 06, 2011 12:21 pm
Forum: General discussion
Topic: Raspberry Pi: Hi-Res audio over USB?
Replies: 12
Views: 3882

Re: Raspberry Pi: Hi-Res audio over USB?

<r>[quote]<B><s>[b]</s>Quote from matt_heys on December 6, 2011, 10:58<e>[/b]</e></B><br/> USB 2.0 is not Full Duplex only half duplex, which means it can only transmit or receive at once, not do both at the same time. Add a hub in to that and any USB memory sticks or keyboards, mice . . . they will...
by Wooloomooloo
Tue Dec 06, 2011 10:43 am
Forum: Off topic discussion
Topic: How to get back into programming ?
Replies: 26
Views: 5706

Re: How to get back into programming ?

<t>Oh well... *sighs, stands up* I'm Wooloomooloo, and I have the same age, same exact problem as the OP, up to and including half-grokking OOP and anything beyond. (*choir replies "Hi Wooloomoloo..."*)<br/> <br/> Actually, I'm working with embedded stuff, which (up to recently) pretty much managed ...
by Wooloomooloo
Tue Dec 06, 2011 9:49 am
Forum: Off topic discussion
Topic: Release Day Pool (just for fun)
Replies: 122
Views: 13976

Re: Release Day Pool (just for fun)

<r>Quote from tntexplosivesltd on December 6, 2011, 03:42<br/> Quote from Wooloomooloo on December 4, 2011, 13:00<br/> Not before January 21. Murphy told me.<br/> It's still gonna come out ahead though, the other "it's ready when it's ready" project I know of is in that state for at least five years...
by Wooloomooloo
Mon Dec 05, 2011 8:30 pm
Forum: General discussion
Topic: What do you think about decision X (aka a playing with fire thread)
Replies: 26
Views: 5997

Re: What do you think about decision X (aka a playing with fire thread)

<r>1) Getting a new generation interested in computing, preferably on a more intimate level than currently observed.<br/> <br/> 2) No point in me guessing since I don\'t know any of the people involved directly (or know much about MBA things). If I would HAVE to guess, I\'s pick somewhere near avera...

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