Go to advanced search

by Phil Spiegel
Fri Apr 06, 2012 9:25 pm
Forum: Other projects
Topic: L.E.D controller??
Replies: 8
Views: 2777

Re: L.E.D controller??

<r>My suggestion would be to recommend you investigate the PICAXE website – and have a look at their projects book (which is readable on line) …. they use various PIC Microcontrollers (low power consumption Single-Chip Computers designed to control devices … and you will be able to read through seve...
by Phil Spiegel
Fri Apr 06, 2012 9:07 pm
Forum: General discussion
Topic: We got through CE testing unscathed!
Replies: 46
Views: 10722

Re: We got through CE testing unscathed!

The Long Good Friday (too)
by Phil Spiegel
Fri Apr 06, 2012 11:28 am
Forum: General discussion
Topic: RS - not strictly correct description ... ?
Replies: 7
Views: 2243

Re: RS - not strictly correct description ... ?

I assumed the OP was referring to the mention of Fedora without 'Remix' as requested by Fedora for copyright / marketing / support reasons.
by Phil Spiegel
Fri Apr 06, 2012 11:11 am
Forum: Staffroom, classroom and projects
Topic: Screen Overlay
Replies: 28
Views: 38412

Re: Screen Overlay

<t>2 Parts to your 'genlocking-the Pi' problem:<br/> <br/> 1/ Can it be genlocked sufficiently stably by receiving an external GPI (or 2 GPIs)….<br/> <br/> (If not, then the frame-store method is required)<br/> <br/> 2/ Can the subcarrier-burst (and therefore chroma modulation) EITHER be turned off ...
by Phil Spiegel
Thu Apr 05, 2012 7:09 pm
Forum: Off topic discussion
Topic: Electricity Meter.
Replies: 9
Views: 2374

Re: Electricity Meter.

<r>When I went to the OP I hoped it was going to be a suggestion for using the Pi to monitor the Mains Frequency variations to determine Grid Loading - and which could then be used to intelligently control the loading by switching on/off non-critical devices: ie delaying when an immersion heater or ...
by Phil Spiegel
Thu Apr 05, 2012 6:59 pm
Forum: Staffroom, classroom and projects
Topic: Screen Overlay
Replies: 28
Views: 38412

Re: Screen Overlay

<t>'Domestic' Vision Mixers (with 2-4 inputs) have been/were available for several years, as well as more 'pro' versions which included framestore synchronisers, and therefore coped with non-genlocked sources: allowing them to mixed or wiped between or keyed over each other.<br/> <br/> Separate Fram...
by Phil Spiegel
Thu Apr 05, 2012 6:14 pm
Forum: Off topic discussion
Topic: Electricity Meter.
Replies: 9
Views: 2374

Re: Electricity Meter.

<t>Definately the wrong place, but a quick answer is to contact your electricity supplier and get an Export Meter fitted: It may take 6 months to come! (Also check to see the numbers go back, and not just the disc! - I was never sure, as I never watched it for that long!)<br/> <br/> There are 2 tari...
by Phil Spiegel
Tue Apr 03, 2012 6:26 pm
Forum: General discussion
Topic: element14 payement safety to
Replies: 30
Views: 5756

Re: element14 payement safety to

<t>Also, I have now been required to register my current-account with them, with my credit card only debited if they've emptied my current account first!<br/> <br/> As I only use 1 credit card nowadays, I cannot use their alternative suggestion of registering a second card!   If they're taking 4% – ...
by Phil Spiegel
Tue Apr 03, 2012 6:15 pm
Forum: General discussion
Topic: SD Cards (Charitable Work)
Replies: 2
Views: 870

Re: SD Cards (Charitable Work)

<t>My thoughts are that a school will source ample supplies of blank SD cards – perhaps 1 per pupil, and then use a School Technician or sixth former to program cards with the latest available OR their tailored distribution – which is likely to be the case after  a while.<br/> <br/> (There has been ...
by Phil Spiegel
Tue Apr 03, 2012 10:08 am
Forum: General discussion
Topic: Powering the Pi via the expansion Port?
Replies: 16
Views: 4781

Re: Powering the Pi via the expansion Port?

<t>Batteries in Parallel is a common occurance – BUT YES they must be matched!<br/> <br/> (Examples are vehicles – admittedly with rechargeable batteries – but that is a sensible choice anyway)<br/> <br/> Our camper van has electric cooking with 2 Optima 75Ah batteries in parallel and capable of sup...
by Phil Spiegel
Tue Apr 03, 2012 8:57 am
Forum: General discussion
Topic: Powering the Pi via the expansion Port?
Replies: 16
Views: 4781

Re: Powering the Pi via the expansion Port?

<t>Would Paralleled pairs of AA"s offer a useful solution – with more current capability – but still requiring UP conversion?<br/> <br/> With regard to "Warranty" and/or consumer rights legislation for consumer sales…<br/> <br/> If a problem is caused by the Add-on board making the Host board fail, ...
by Phil Spiegel
Tue Apr 03, 2012 8:36 am
Forum: Off topic discussion
Topic: Distributor in Germany
Replies: 4
Views: 2410

Re: Distributor in Germany

<t>May I recommend you browse through this forum; there are several current threads regarding ordering and delivery., [and the FAQ and Wiki; although difficult to follow].<br/> <br/> You will then find that RS and Farnell/Element 14 are handling worldwide distribution to both businesses and end-user...
by Phil Spiegel
Mon Apr 02, 2012 8:33 pm
Forum: Off topic discussion
Topic: Is there a way to block certain users on this forum?
Replies: 20
Views: 4611

Re: Is there a way to block certain users on this forum?

Did my 'get a life' cause confusion: I nearly wrote ...[for the modereator's] to get their life back away from here and its hassles.

My comment was aimed at the Function of the Button name 'Report Post': which on other website I use sends a message to the moderators/admin.
by Phil Spiegel
Mon Apr 02, 2012 8:00 pm
Forum: Off topic discussion
Topic: Is there a way to block certain users on this forum?
Replies: 20
Views: 4611

Re: Is there a way to block certain users on this forum?

<t>Shouldn't 'Report Post' be automatically sent to whichever Moderators are on line - so that any of them can react promptly??  Seems the logical route to me.<br/> <br/> A PM message to a specific Moderator may just miss them as they go off line and have a life.<br/> <br/> With the migration to the...
by Phil Spiegel
Mon Apr 02, 2012 7:52 pm
Forum: General discussion
Topic: New post on the front page - vid of Eben's talk from [email protected]
Replies: 14
Views: 2639

Re: New post on the front page - vid of Eben's talk from [email protected]

<t><br/> The secret with is to test it out in advance of the presentation. Any teacher will tell you that you have to check that the TV/projector actually works and that you know where the on switch is.<br/> <br/> <br/> One reason why I used to take my own projector and originally an Acorn A4 portab...
by Phil Spiegel
Mon Apr 02, 2012 7:36 pm
Forum: General discussion
Topic: We're visiting the testing labs tomorrow
Replies: 23
Views: 4488

Re: We're visiting the testing labs tomorrow

<t>Don't forget to turn all your phones and other electronics items off when you get there<br/> <br/> (not just to stop Kernal tracking you to the Pi's) - but to avoid anyone thinkng the Pi's are spuriously radiating [We'll leave that to Liz herself]<br/> <br/> If Dinorwic has to run at full tilt, w...
by Phil Spiegel
Mon Apr 02, 2012 3:58 pm
Forum: Off topic discussion
Topic: Computer jokes
Replies: 36
Views: 8229

Re: Computer jokes

The first 'computers' were women (there may have been a spelling difference?)

Others might suggest they were were the first to be calculating.

I couldn't possibly comment.
by Phil Spiegel
Mon Apr 02, 2012 12:06 pm
Forum: Off topic discussion
Topic: The Significance of a Million...
Replies: 2
Views: 902

Re: The Significance of a Million...

<t>As is well recorded, the few debated and risked all on 10,000.<br/> <br/> On 'the day' their concern was relieved (or extended?) by reports of 200,000<br/> <br/> And still they came…<br/> <br/> The reports (possibly with some rounding) are now of 1,000,000 (even  allowing for 1.4.12)<br/> <br/> T...
by Phil Spiegel
Mon Apr 02, 2012 11:36 am
Forum: General discussion
Topic: Gertboard software
Replies: 3
Views: 1076

Re: Gertboard software

<t>Looking at the nice photo:<br/> <br/> Is there a prospect (ie space) to assemble the heatsink parallel to the board - so that it does not project upward so much (unsupported?) and liable to damage? - making a lower profile cover possible?  - there appears to be no space in the tracks to  have a m...
by Phil Spiegel
Sun Apr 01, 2012 11:47 am
Forum: General discussion
Topic: RPi 2.0 and future hardware
Replies: 48
Views: 9544

Re: RPi 2.0 and future hardware

<t>I meant to include in my comment, that power to each bench in the lab meant armoured cable - and at the other end of the borough, it was often in need of repair - I was embarassed that that happened once in my time there.<br/> <br/> Modern classrooms seem to have lots of loose furniture (tables) ...
by Phil Spiegel
Sun Apr 01, 2012 10:25 am
Forum: General discussion
Topic: RPi 2.0 and future hardware
Replies: 48
Views: 9544

Re: RPi 2.0 and future hardware

<t>A remaining difference between the A and B is the Networking METHOD:<br/> <br/> The solution will vary with the classroom and its location but needs to consider capacity.  Thankfully adequate local storage is available with both models !!...>>><br/> <br/> 'Project' use will not want physically co...
by Phil Spiegel
Sun Apr 01, 2012 9:01 am
Forum: General discussion
Topic: Potential power source
Replies: 83
Views: 14607

Re: Potential power source

<t>I've bought  reels of 0.81mm OD 7/0.1mm which is rated  at 4 Amps!<br/> <br/> (And it's not dodgy chinese manufacture or April 1st -even if it is), but form one of our RPi distributors ....<br/> <br/> ..its because its silver plated and PTFE sleeved so its the current capability at 200C!<br/> <br...
by Phil Spiegel
Sat Mar 31, 2012 10:14 pm
Forum: General discussion
Topic: abbreviations
Replies: 35
Views: 9114

Re: abbreviations

I knew I should have kept it to more apolitical 'politicians' ... a time slip of memory 8-(
by Phil Spiegel
Sat Mar 31, 2012 7:25 pm
Forum: General discussion
Topic: RPi 2.0 and future hardware
Replies: 48
Views: 9544

Re: RPi 2.0 and future hardware

<t>I'm relieved that the A and B are to have the same memory, as I recall the problems this created with the BBC Micro A, B , half speed electron, Master ... and compatibility.<br/> <br/> What is required in the school/educational environment, where people are being introduced, in a structured way, ...
by Phil Spiegel
Sat Mar 31, 2012 6:41 pm
Forum: General discussion
Topic: abbreviations
Replies: 35
Views: 9114

Re: abbreviations

<r>I did write <E>:(</E>differing exams applied in Scotland)….<br/> <br/> but yes, I ommitted Northern Ireland, Channel Islands and other exceptions <br/> <br/> O-level grades were originally ABCDE with FGH as fails but considered too fine a distinction at O level - hence ACE in my area .... differi...

Go to advanced search