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46  Using Arduino / Programming Questions / Re: Is there a good Basic interpreter? on: January 31, 2013, 04:18:03 am
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Interpreter Basic is a ancient and cruel form of torture supported by masochists and the ingnorant.
A joke I'm sure, but don't be so dismissive. A tiny number of us were assembling back in the day, an increasing number of people who had to have abstraction used proto C (You talk about torture - they loved error reports), but there was a mass of people who were introduced to microprocessors via Basic (go find the philosophy behind it's development), Fortran, Pascal (later) forth etc. ALL of those pioneers provide the shoulders that we now stand on. The C used in Arduino is stripped down and has to be the easiest implementation I have ever come across and yet it still throws errors from artefacts, at least Basic has the good manners to point out the error and only the error smiley-wink And what exactly is wrong with a goto? It just provides a method for stepping over code, structures like 'case' do the goto's for you. In fact, if you read the reference, you'll find a goto. Anyone can write sloppy code in any language. If you want to be dogmatic and write tight code, pick up the data sheet and start assembling.

The advocates of all languages look down their noses at the other language users, however, if you see someone smiling quietly to himself, trying not to look too aloof, he'll be the assembler in the room smiley-wink

For a real insight, writing languages (and even small OS's) is fun, everyone should try it.
47  Using Arduino / General Electronics / Re: Small power source for one century on: January 30, 2013, 05:15:33 pm
Clearly SirNickity, judging buy your name, a bit of a queen hugger yourself.
This is purely between the two of us, so keep it quiet, but the patent on the mud brick has expired, so licensing may pose problems, although her Maj is quite keen that you pay something, she say's you've already had Light Bulbs & Jet Engines for free (actually she had quite a long list but I distracted her by telling her that one of the Corgi's had managed to get out and was humping a guards leg). Although, she did say, as a sweeter, that she'd be happy to have you as subjects again providing you get out the tea-pots, quid pro quo and all that. I suppose you could translate it as Bricks & Tea offor Tax & Coolness. Oh, and I suggested that you get the ginger tosser back.... for free.
48  Using Arduino / Programming Questions / Re: Is there a good Basic interpreter? on: January 30, 2013, 03:24:29 pm
Got another idea: What about an assembly compiler on the Arduino? ....
Do you mean ON the Arduino or FOR the Arduino?
49  Using Arduino / General Electronics / Re: Small power source for one century on: January 30, 2013, 03:12:52 pm
To be fair, a lot American houses are made out of wood.

Maybe it's time we let the "free-thinking" young upstarts in on the secret of the Imperial British brick.

Sure, sure... but the shipping would be atrocious!   smiley-lol
We could sell you the technology...
50  Using Arduino / General Electronics / Re: Small power source for one century on: January 30, 2013, 04:03:35 am
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The Americas have been occupied for tens of thousands of years.  Check your facts.
In fact, don't you have some sort of celebration of the fact that you super-ceded them involving pumpkin pie?  smiley-eek
I first heard the 100 year/100 mile phrase a long time ago and it goes a long way to explain our differences.
I was of course just leg pulling, but some very funny responses smiley

Back to the topic in hand. It's interesting how such a mundane problem can throw up so many problems.
My original idea of a ultra slow mechanical clock that effectively used the moon as a power source, and then activating the electronics at the last moment was intended to keep the electronics turned off until required thus preventing FWAT, this included the power supply.

Someone mentioned redundancy, well, yes of course, but one could take this a stage further and rather than simple majority voting, one could maybe use a learning (repairing) neural net that could "energise" new circuit parts as others failed. For time keeping, again use say a solar event (day) to count.

Power supplies are a problem if self contained, but, since we are in a loft of a house, why not use main power and indeed, every 10 years it could request human intervention to "swap-out" circuity.

A friend of mine has a small (electric) lamp that he keeps burning in memory his mother and is thinking of emigrating to Oz, and wanted to power the lamp during the the move and sea voyage. His requirements were very stringent the light must not fail! And yet when I asked him what currently happened about power cuts, or the bulb blowing, he went quiet and didn't have an answer.
51  Using Arduino / General Electronics / Re: Power supply building technical help required on: January 30, 2013, 03:21:04 am
Can you show your circuits (not a photo)?
You may just need to suppress your motor.
1 x 10nf cap across contacts and 2 x 10nf from each contact to (metal) chassis.
The commutator will/can produce huge electrical noise.
52  Using Arduino / General Electronics / Re: Small power source for one century on: January 29, 2013, 06:19:56 pm
Seriously, though.  It's going in an attic?  Has anyone owned an attic for 100 years?  Maybe I'm just American, but after 60 years or so, houses tend to get remodeled and/or demolished.
Seriously, we have cowsheds older than America smiley-wink The pier I walked on this afternoon was built in 1867, it looks pretty much the same as when it was built. And the pub I visited after has been a pub since late 1700's, it was however  remodelled then as it was formally a place where cider was made. Not everything is pulled down every 60 years. So I reckon, a European loft has a good chance of surviving another 100 years (we gotta keep our chickens somewhere!)
53  Using Arduino / General Electronics / Re: Small power source for one century on: January 29, 2013, 04:42:41 pm
Going out on a limb here, but if it's in the loft of a house, why not tap into the house wiring? I've done some math, I think it could work.
54  Using Arduino / Project Guidance / Re: RGB LED Matrix spread over 400 square feet (43 square meters) on: January 29, 2013, 04:24:55 am
I have that as about 1000 LEDs

(6.3M per side * 5 leds per M)  Squared

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Not a very high resolution BTW - How far are you viewing from?

did you see the Olympic stadium light show? Now that was cool, all those paddles....
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55  Using Arduino / Motors, Mechanics, and Power / Re: AC Lamp control on: January 29, 2013, 04:09:56 am
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I decided to make something like the power switch tale with my relay and it worked fine at first then I plugged it into a surge protector and it killed the power to my hole house and tripped some fuses.
Did it trip your RCD? You probably have an earth leakage from live or even neutral. If it was a wired fuse, you probably have a live-neutral short! Maybe you need a battery powered project?

That fuse/RCD is there to protect you.... remember...

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Remember, it's the volts that jolts and the millies that killies! smiley-wink

Take care friend
56  Using Arduino / Programming Questions / Re: Button Sequence question on: January 28, 2013, 02:47:02 pm
Edge detection is close to what it sounds like - it's looking for the "edge" of a change. The change may be high to low, or low to high.

Basically, if the current state is Low, we are looking for a High, and vis versa.

In your case, for a single button, assuming a button press will drive the port High, and you do not want a repeat key function

Wait for a change to High, you can then pause for a few mS, to allow your button to settle (all electrical contacts tend to bounce. For high speed electronics, this bounce appears very slow and can look like several open/close events, so we wait for a small amount of time for the bounce to stop)
You then look at the port for a change to zero to occur (finger off), no need to denounce if you are off to do something else.
We now have a full button press.
57  Community / Bar Sport / Re: A series of photographs on: January 28, 2013, 01:31:15 pm
A lesser person would have been out tagging phone boxes when bored smiley

Do you have any close-ups of a scraped OC71, for research use only of course!  I'll PM my email addy
58  Using Arduino / General Electronics / Re: ECL on: January 28, 2013, 12:06:14 pm
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What I still don't get is the crappy level of integration.
You would use these devices where propagation delay is an issue, so it needs to be pared to the bone - no extras!

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Also, back in the day, fabrication would have been more difficult, the less gates to fail, the better. Of course we still have massive fails, but they just become lower spec devices. Test downward until it works - "yerp that's a x speed device... Next"
This is after all how Sinclair got going, purchasing duff calculator chips that would only do the 4 main functions and put them in his digital calculator kits.
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59  Community / Bar Sport / A social question on: January 28, 2013, 11:56:30 am
Over the last few years I've noticed more and more projects originating in Australia. In the past, you would have been getting mass input from US, UK, Germany etc.

Now, we know you Ozzy's like your tinnies, barbbies, Sheila's, surfing, catching rays and spending time on walkabout. Not very high tech in all honesty. So what has driven this renascence? A need to cool beer? (oh! can't be, you don't have beer, and why would you cool beer anyway?)  A need to cool that larger stuff you drink?

Is it like your sport, you have a sensible government that is driving things at grass roots, Is it that you've just found the internet, or has it always been going on and someone has spilt the beans? (too many tins?).

It's great, but how, why? Tell us!
60  Using Arduino / General Electronics / Re: Small power source for one century on: January 27, 2013, 01:43:17 pm
The electronics could be very simple - just count equinox using the alignment of the sun (we don't have a specific date in mind), Stonehenge style.
So charging could be very low current, providing charge is greater than leakage.

Mmm, maybe that is what Stonehenge is? It will pop open soon, spouting confetti....

Or non-electronic, pure mechanical, use rise/fall of groundwater changed by tides to run a clock. Electronics could then be turned on during event day, release chemicals into a battery, and play happy birthday etc. One is only concerned with shelf-life. Bearings etc in the "clock" would only receive two 'ticks' per day, so little wear.
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