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by Tomo2k
Thu Dec 29, 2011 8:46 pm
Forum: General discussion
Topic: ADD IR RECEIVER to USE RBP AS VIDEO PLAYER
Replies: 14
Views: 8895

Re: ADD IR RECEIVER to USE RBP AS VIDEO PLAYER

<t>Or even easier, get an existing USB IR receiver. As a bonus, they even come with a remote!<br/> <br/> There are plenty of these around, and they just plug into a USB socket of the machine.<br/> <br/> (Edit) – Doing a quick Google, I found quite a lot of homebuilt projects you could make if you wa...
by Tomo2k
Thu Dec 29, 2011 8:39 pm
Forum: General discussion
Topic: Which language would you choose to teach programming on the RPi?
Replies: 47
Views: 12003

Re: Which language would you choose to teach programming on the RPi?

<t>Almost all IDEs offer help equivalent to Intellisense - and the Visual Studio IDE is not helpful once you're trying to crosscompile (it will but it's painful to configure) and won't run outside of Windows.<br/> <br/> There are plenty of good cross-platform IDEs outside of Visual Studio. I use Qt ...
by Tomo2k
Thu Dec 29, 2011 1:43 am
Forum: Other projects
Topic: PiCard - GUI SD Preparation Tool
Replies: 268
Views: 77411

Re: PiCard - GUI SD Preparation Tool

<t>Wow, this is looking really great.<br/> <br/> As somebody mentioned earlier, it will need to run 'natively' (as in, run an installer and it handles all support gubbins) under Windows 32bit and 64bit platforms as those are the platforms of users who don't know much about the computermachine.<br/> ...
by Tomo2k
Wed Dec 28, 2011 11:49 pm
Forum: General discussion
Topic: VGA
Replies: 126
Views: 28519

Re: VGA

<r>It funds the BBC.<br/> <br/> The original idea was to separate them from both Government and commercial interference, and it mostly works. I'm not entirely sure why it's called a licence though.<br/> <br/> There is no commercial advertising or product placement on the BBC at all, and they are leg...
by Tomo2k
Wed Dec 28, 2011 11:35 pm
Forum: General discussion
Topic: No OS news?
Replies: 87
Views: 24293

Re: No OS news?

<t>Benedict, commercial support doesn't work like that.<br/> <br/> You're thinking in terms of "Oh, there are loads of people using various versions of Linux and they'll all be able to help".<br/> <br/> That is great for enthusiasts, but not much use for schools and commercial entities.<br/> <br/> A...
by Tomo2k
Wed Dec 28, 2011 10:35 pm
Forum: Other projects
Topic: Aquarium thermostat and monitor
Replies: 20
Views: 9760

Re: Aquarium thermostat and monitor

<r>Gert said: <br/> <br/> <br/> Fish tank heaters run from mains power don"t they?<br/> See this thread for all the issues with that:<br/> <URL url="http://www.raspberrypi.org/for.....038;t=1298">http://www.raspberrypi.org/for.....038;t=1298</URL><br/> I showed my mains board to a jamesh and he imme...
by Tomo2k
Wed Dec 28, 2011 10:22 pm
Forum: Other projects
Topic: Cases for the Raspberry Pi
Replies: 866
Views: 417920

Re: Cases for the Raspberry Pi

Somebody mentioned http://www.shapeways.com a while ago, either in this thread or somewhere on the front page blog.

It looks fascinating to me.

- The White Strong & Flexible sounds suitable for a snap-fit case or similar.
by Tomo2k
Wed Dec 28, 2011 8:24 pm
Forum: General discussion
Topic: Which programming language?
Replies: 5
Views: 2621

Re: Which programming language?

<r>Fritzgosch said: <br/> <br/> <br/> Is there a programming language which works in a way like Visual C++ with Windows Forms? It is important, that it is quite easy to develop some simple graphical interfaces.<br/> <br/> <br/> Well, C++ is actually a platform-agnostic programming language.<br/> <br...
by Tomo2k
Wed Dec 28, 2011 6:43 pm
Forum: General discussion
Topic: if its good copy it?
Replies: 112
Views: 22839

Re: if its good copy it?

<t>lkcl said: <br/> <br/> <br/> i have an ability to read beyond the words, into the intent behind the words.  i have encountered a number of project leaders involved in free software and open projects who find my "presence" to be intolerable.  they perceive me to be a threat to their leadership, an...
by Tomo2k
Wed Dec 28, 2011 3:59 am
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 62049

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

<t>johnnysometimes said: <br/> <br/> <br/> What a bunch of health and safety fanatics you are!<br/> <br/> 30 years of Wireless World and Practical Electroncs taught me to drive relay coils with a transistor or a 555 timer and use it to switch mains. I've never had a fire in my life.<br/> <br/> <br/>...
by Tomo2k
Tue Dec 27, 2011 10:01 pm
Forum: Other projects
Topic: Solar panel tracking
Replies: 21
Views: 8806

Re: Solar panel tracking

<r>Glenn said: <br/> <br/> <br/> Joules said: <br/> <br/> <br/> This should do the trick for your clock, you can read it over the I2C line.<br/> <br/> <URL url="http://www.sparkfun.com/products/99">http://www.sparkfun.com/products/99</URL><br/> <br/> <br/> $14.95 for one of these or 5 x DS1307 for $...
by Tomo2k
Tue Dec 27, 2011 9:56 pm
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 62049

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

<t>I'm with Ianw here.<br/> <br/> I've been bitten by 120VAC via X/Y caps (lost PE on a device). That hurt and it was not really a dangerous current.<br/> <br/> Electric can and does kill.<br/> <br/> The relay used in that board claims 1500VAC coil to contact insulation (good start), but is probably...
by Tomo2k
Tue Dec 27, 2011 8:42 pm
Forum: General discussion
Topic: How come there are so many Raspberry Pi haters?
Replies: 99
Views: 26617

Re: How come there are so many Raspberry Pi haters?

<t>hippy said: <br/> <br/> If an LCD touch screen is added to the R-Pi it effectively becomes a tablet. That would not in itself invalidate the R-Pi's educational goals so there's obviously no fundamental reason that tablets cannot equally meet the educational goals, which brings us full circle.<br/...
by Tomo2k
Tue Dec 27, 2011 8:04 pm
Forum: General discussion
Topic: D-sub/Vga Monitor Cables/ Accesories
Replies: 24
Views: 10767

Re: D-sub/Vga Monitor Cables/ Accesories

<t>Mushroom_Lord said: <br/> <br/> <br/> DavidS said:<br/> <br/> <br/> And no that is not the correct converter.  That is designed for devices that take there VGA input from three RCA jacks and still use VGA signaling with sync on green.<br/> <br/> ^Ok, thanks, glad you know what you are talking abo...
by Tomo2k
Tue Dec 27, 2011 5:50 am
Forum: General discussion
Topic: $35 RasPi vs $50 tablet ?
Replies: 82
Views: 26771

Re: $35 RasPi vs $50 tablet ?

<t>Cheap netbook? Hah! They aren't cheap anymore - God only knows why, but they cost the same as a 15" laptop these days, and going by recent developments they're a dying form factor to boot.<br/> <br/> There's a notable difference between a 300 quid device and a 20-30 quid device.<br/> <br/> Which ...
by Tomo2k
Sun Dec 25, 2011 9:03 pm
Forum: Other projects
Topic: Raspberry Pi Sunshine
Replies: 42
Views: 7981

Re: Raspberry Pi Sunshine

<t>Good point.<br/> <br/> Cat5/5e/6/7 Ethernet cable is also well suited to RS485 signals, so you'd be pulling the same kind of cable either way.<br/> <br/> - Though it sounds like you already have an RS485 cable pulled for use with your Mac anyway.<br/> <br/> I presume the idea of having it near th...
by Tomo2k
Sun Dec 25, 2011 8:22 pm
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 62049

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

<t>SSRs are either a Triac or a pair of SCRs (a Triac is internally two SCRs), usually with an optotriac to drive the gate.<br/> <br/> Very low-power ones might just be an optotriac, however these are very rarely used to control loads directly – generally they drive a mains-coil relay.<br/> <br/> SC...
by Tomo2k
Sun Dec 25, 2011 7:35 pm
Forum: General discussion
Topic: Gateways computer
Replies: 7
Views: 2781

Re: Gateways computer

<t>I think you're better off looking elsewhere for that kind of hardware, you won't find it here.<br/> <br/> Put simply, you can't do that with the BCM2835 CPU used in the Raspberry Pi.<br/> <br/> The Ethernet chip on the Model B is actually a combination USB Hub and USB Ethernet adapter, because th...
by Tomo2k
Sun Dec 25, 2011 7:14 pm
Forum: General discussion
Topic: EFI rom
Replies: 6
Views: 2298

Re: EFI rom

<t>As I understand it, the Raspberry boots as follows:<br/> <br/> <br/> Power On.<br/> GPU starts up, runs GPU bootloader (read only)<br/> GPU reads the kernel file from FAT32 partition on SD Card<br/> Kernel is run on the ARM<br/> <br/> The GPU bootloader is read only, you cannot break it even if y...
by Tomo2k
Sun Dec 25, 2011 6:57 pm
Forum: Other projects
Topic: How to schedule Raspberry Pi?
Replies: 7
Views: 2651

Re: How to schedule Raspberry Pi?

<r>For C/C++, you can use GCC for ARM. This compiler will be included with the default installation of the Raspberry Pi.<br/> <br/> A quick Google gave me this project, which seems to be a C# Mono compiler and runtime for ARM architecture:<br/> <br/> <URL url="http://www.mono-project.com/Mono:ARM">h...
by Tomo2k
Sun Dec 25, 2011 6:37 pm
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 62049

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

<t>Ianw said: <br/> <br/> <br/> If you must use relays, go for solid state relays, they do cost more however mechanical relays are much more prone to failure and are horribly bouncy for power control (bounce means its not a clean On/Off and can cause surges/spikes as the current can arc across the c...
by Tomo2k
Sun Dec 25, 2011 12:10 am
Forum: Off topic discussion
Topic: CES: USB wall outlets power up consumer devices
Replies: 15
Views: 2815

Re: CES: USB wall outlets power up consumer devices

<t>JamesH said: <br/> <br/> <br/> Arc fault breaker ? RCD in the UK? We are getting more and more of those required under Part P. Right PITA.<br/> <br/> <br/> <br/> AFCIs try to detect arcing in a circuit – either L>N or L>PE.<br/> <br/> These are very different to RCDs (the US normally call those G...
by Tomo2k
Sat Dec 24, 2011 10:25 pm
Forum: General discussion
Topic: VGA
Replies: 126
Views: 28519

Re: VGA

<t>cfd said: <br/> <br/> <br/> And then there's the UK TV licence on top of that…<br/> <br/> <br/> <br/> Irrelevant. You only need a TV licence if you are receiving broadcast TV (or 'live' iPlayer) at the home/office address.<br/> <br/> If you are only using the unit as a display and are not connect...
by Tomo2k
Sat Dec 24, 2011 10:09 pm
Forum: Other projects
Topic: PCIe to RP?
Replies: 1
Views: 1772

Re: PCIe to RP?

<t>No, it isn't.<br/> <br/> The SoC (essentially the CPU, GPU and most of a PC motherboard) doesn't have this as an option as it is intended for embedded systems like mobile phones, TVs, set-top boxes, and similar kinds of devices where the end user is never going to add any more hardware aside from...
by Tomo2k
Sat Dec 24, 2011 7:32 pm
Forum: Other projects
Topic: Controlling a mains power socket switch? (home automation)
Replies: 174
Views: 62049

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

<r>fordp said: <br/> <br/> <br/> <br/> Quote from kme on November 28, 2011, 18:46<br/> <br/> <br/> Quote from celerity on November 28, 2011, 18:08<br/> We use 240V here in the UK, although I'm sure that doesn't alter what you're saying.<br/> <br/> <br/> Well, actually you don't. You run 230V and hav...

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