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by Phil Spiegel
Mon May 07, 2012 8:19 am
Forum: General discussion
Topic: Short Review
Replies: 5
Views: 1080

Re: Short Review

<t>What''s wrong with a switched socket? – that turns off the 230Vac side, and even with efficient switch-mode supplies, saves more power than simply disconnecting (switching off ) the output side <br/> <br/> Note to 'overseas' readers: – UK 13A Ring Main or Extension Lead sockets often have an adja...
by Phil Spiegel
Thu May 03, 2012 8:06 pm
Forum: General discussion
Topic: The 9 Words That Could Kill Raspberry Pi
Replies: 43
Views: 9491

Re: The 9 Words That Could Kill Raspberry Pi

<t>Well - 8 words from an 'arm' of the UK government..... which could....<br/> <br/> Have you noticed, on the British Council Webpage; supposedly promoting UK culture and education (and a link I followed today because of the release of some old archive films somewhere on their site) that they have a...
by Phil Spiegel
Thu May 03, 2012 7:40 pm
Forum: Beginners
Topic: HDMI to VGA
Replies: 27
Views: 10047

Re: HDMI to VGA

<t>Contrary to repeated comment in earlier threads; there ARE some economical HDMI to VGA adapter-'cables' available! Presumably powered off the HDMI voltages.<br/> <br/> I've just received my  Neewer Black HDMI Input to VGA Adapter Converter For PC Laptop <br/> <br/> Sold by: TCT ( seller profile )...
by Phil Spiegel
Mon Apr 30, 2012 1:19 pm
Forum: General discussion
Topic: Importance of SD card for target market
Replies: 18
Views: 2795

Re: Importance of SD card for target market

I recall using 'image' disks for a series of training courses I used to do: however, it still takes a lot more time than simply swapping in an SD card !

(and the larger the hard drive (image) used, the longer it takes)
by Phil Spiegel
Fri Apr 27, 2012 7:14 am
Forum: Beginners
Topic: Screen Availability
Replies: 14
Views: 3653

Re: Screen Availability

<t>Can I suggest including mention of one's country when either requesting or supplying information about equipment for use with the Raspberry Pi - some do include in their ident, but not all -  perhaps early in the thread title would be a good place to include it?.<br/> <br/> Availablility and cost...
by Phil Spiegel
Tue Apr 24, 2012 10:00 am
Forum: Off topic discussion
Topic: tweet about psu inefficiency...
Replies: 13
Views: 3442

Re: tweet about psu inefficiency...

<t><br/> <br/> I remember reading an article a few years ago about how the average UK home could save a lot of money in wasted electricity if the houses were wired with 2 electrical circuits – standard 240v and 9v – so that we would only have the 1 step down transformer.<br/> <br/> time has moved on...
by Phil Spiegel
Fri Apr 20, 2012 9:26 am
Forum: Troubleshooting
Topic: Fixing power Stability Issues
Replies: 15
Views: 5452

Re: Fixing power Stability Issues

<t>Have you used a 'slow charge, rapid discharge' circuit, as increasingly used in digital model railway decoders - to overcome short-term track pickup problems? - or would the diode drop involved be too much and still generate a brownout?<br/> <br/> [Another problem on the model railway front is th...
by Phil Spiegel
Wed Apr 18, 2012 10:15 am
Forum: General discussion
Topic: eBay madness
Replies: 16
Views: 2800

Re: eBay madness

<t>On the Positive side with these Ebay Sales:<br/> <br/> There is/was one with a new photograph….<br/> <br/> …and it appeared to show a Rapberry Pi Sticker or label was included !<br/> <br/> (Larger than the previously-available keyboard sticker for obscurring the distorted 4-panel frame)<br/> <br/...
by Phil Spiegel
Wed Apr 18, 2012 7:44 am
Forum: Off topic discussion
Topic: It arrived!! (And I've got some questions!)
Replies: 8
Views: 1614

Re: It arrived!! (And I've got some questions!)

1208 Looks like a production-week code: (20)12 = year   08 = week number

Most products usually carry this in some form - usually adjacent to the 'serial' number
by Phil Spiegel
Mon Apr 16, 2012 8:05 am
Forum: General discussion
Topic: Portable display for Rasberry Pi
Replies: 21
Views: 8189

Re: Portable display for Rasberry Pi

<t>I have no knowledge of what font size adjustment is available in Linux GUI's - I'm a RISC OS user where I can have anti-aliased fonts of any size I like.<br/> <br/> However,  for many a small screen application, its likely to be an 'embedded system' - and needs starting up, if not all input in 'c...
by Phil Spiegel
Mon Apr 16, 2012 7:59 am
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 417698

Re: Cases for the Raspberry Pi

<t>Ideally a case would provide sufficient ventilation for a hot day eg 35C as few schools, in my experience, (or UK homes) have air conditioning ... and then there is the rare prospect of the sun shining directly onto the the case which will probably lift it another 10C (if its a hot  day, then the...
by Phil Spiegel
Mon Apr 16, 2012 7:47 am
Forum: General discussion
Topic: Portable display for Rasberry Pi
Replies: 21
Views: 8189

Re: Portable display for Rasberry Pi

The Linux Console Font Size … 8x14 is apparently an alternative


any text on it, in console mode, would be sufficiently legible! (as it defaults to an 8x8 matrix

by Phil Spiegel
Mon Apr 16, 2012 7:07 am
Forum: General discussion
Topic: Portable display for Rasberry Pi
Replies: 21
Views: 8189

Re: Portable display for Rasberry Pi

<t>As has been mentioned in previous posts: when using the composite video connector {/hdmi} , the problem is not 'whether a small screen is available' (cheaply or not) but whether any text on it, in console mode, would be sufficiently legible! (as it defaults to an 8x8 matrix, and this is scaled fo...
by Phil Spiegel
Sun Apr 15, 2012 7:17 pm
Forum: General discussion
Topic: Fitting the display on a TV: config.txt and overscan_*
Replies: 21
Views: 36251

Re: Fitting the display on a TV: config.txt and overscan_*

<t>To answer your 'computer point of view' misunderstanding about sampling....<br/> <br/> The compression systems used to enable you to view a multiplicity of channels (whether MPEG2 or H264 etc) ALL REQUIRE that the images were 'photographic' - ie as seen by a camera - and that the intent is NOT to...
by Phil Spiegel
Sun Apr 15, 2012 8:02 am
Forum: General discussion
Topic: USB Display monitor
Replies: 8
Views: 4727

Re: USB Display monitor

<t>What about its usability simply as a "console"/teletype terminal  for "embedded-style" applications  – not everyone is wanting a games machine or video player! – they already come in a box with the DVD mechanics <br/> <br/> There are a whole host of applications the Pi can be used for as a compac...
by Phil Spiegel
Sat Apr 14, 2012 10:23 am
Forum: General discussion
Topic: one for sale on Ebay this is wrong as the foundation is loosing out here.
Replies: 63
Views: 14218

Re: one for sale on Ebay this is wrong as the foundation is loosing out here.

<r>And now there is another one - but the bidding is a lot lower (so far) ... supply and demand?  the first bid was <3GBP <E>8-)</E>   However the picture is not of a 'production' version.<br/> <br/> (neither are mine, I hasten to add... I'm still in the great 'unknown' time...and it won't be appear...
by Phil Spiegel
Sat Apr 14, 2012 8:39 am
Forum: General discussion
Topic: SquirrelMail
Replies: 3
Views: 2923

Re: SquirrelMail

I use OrpheusInternet and read all my mail via Squirrel Mail webmail and as a result need no installation etc - just to access their webpage. It also means I can read my mail anywhere quitr easily.  [I also use them to host my domain, but that is not any part of the requirement]
by Phil Spiegel
Fri Apr 13, 2012 5:36 pm
Forum: General discussion
Topic: Pi in mass production?
Replies: 12
Views: 3275

Re: Pi in mass production?

<t>The adhesive label simply has to be non-removable to comply with what has been stated here, surely?<br/> <br/> Equally, no revision of the existing screen-print is needed if a 2nd run with just the required logo is made ... okay so that's twice through the printing process; but it may be the quic...
by Phil Spiegel
Fri Apr 13, 2012 11:51 am
Forum: General discussion
Topic: LCD/LED screen?
Replies: 19
Views: 12402

Re: LCD/LED screen?

<t>PICAXE already produce a dedicated PIC and board to mount on the rear of OLED / LCD panels .. and this is set up to receive data as a 1-wire (plus +5V/0v) serial data - at logic levels.<br/> <br/> If an output-redirection for 'Console' could be made in the config file, and an appropriate pin prog...
by Phil Spiegel
Fri Apr 13, 2012 11:31 am
Forum: Off topic discussion
Topic: How many computers fit in a car
Replies: 7
Views: 1733

Re: How many computers fit in a car

'Single Trip Insurance' is the kind of policy to take out for 'unusual' loads - the content of a lorry moving equipment could be millions -
by Phil Spiegel
Fri Apr 13, 2012 10:17 am
Forum: General discussion
Topic: Fitting the display on a TV: config.txt and overscan_*
Replies: 21
Views: 36251

Re: Fitting the display on a TV: config.txt and overscan_*

<t><br/> With hdtv the borders are disappearing, but studios know the overscan area is traditionally removed by tv sets, so the keep anything important out of this area anyway.<br/> <br/> <br/> Watch BBC breakfast any morning ( need to double check now they're at Salford Media Centre) – but you'll s...
by Phil Spiegel
Fri Apr 13, 2012 8:00 am
Forum: General discussion
Topic: Fitting the display on a TV: config.txt and overscan_*
Replies: 21
Views: 36251

Re: Fitting the display on a TV: config.txt and overscan_*

<t>The intent with pixels used in video processing is that they are NOT individually 'visible' or isolatable - they are predicatable fom the values of adjacent samples.<br/> <br/> [This is also the basis of JPEG compression which was designed for camera-generated, sampled images]<br/> <br/> 'Unfortu...
by Phil Spiegel
Sun Apr 08, 2012 5:22 pm
Forum: Off topic discussion
Topic: Electricity Meter.
Replies: 9
Views: 2372

Re: Electricity Meter.

<t><br/> You're supposed to get paid for providing excess energy back into the powergrid. Contact your energy provider to get a deal on this.<br/> <br/> <br/> We're in the UK, and have been generating at home for about 5 years.<br/> <br/> During that time the rules have changed, and depend on when y...
by Phil Spiegel
Sun Apr 08, 2012 10:18 am
Forum: General discussion
Topic: RPi 2.0 and future hardware
Replies: 48
Views: 9536

Re: RPi 2.0 and future hardware

<t><br/> Will people really argue about 5 to 10 quid per unit…?<br/> <br/> <br/> <br/> <br/> <br/> Consider a SCHOOL – for whom the units were designed – buying a new classroom-full of Pis -not replacing existing installations, but using the opportunity to spread the word to more pupils… as per the ...
by Phil Spiegel
Sat Apr 07, 2012 8:18 am
Forum: Off topic discussion
Topic: Electricity Meter.
Replies: 9
Views: 2372

Re: Electricity Meter.

<t>I agree: it was their contacting US that actually triggered the process for getting the export meter: we believed this had already been arranged through our installer ... but whether due to crossed-communincations / being out-of-area, they didn't seem to have made contact with the correct part of...

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