Raspberry Pi Forums

Jim Manley

<t>The world record for WiFi is about 200 miles between mountaintops using large (10 meter) highly-directional antennas. You can get wireless USB dongles that come with directional antennas that will easily get you well over a mile in unobstructed range, probably much more. The antennas' beamwidth...

Jim Manley

<t>Jaseman said: Perhaps the foundation could hold a few competitions for "best article about…xyz". That way people can find the most useful information out-there. There have been hints that this blog/forum software is going to be upgraded to something better withi...

Jim Manley

<t>I often see people discussing "programming" and "writing code", but, almost never hear about "developing software" or "software engineering". We need to be teaching the latter, not just the former, which is actually just a fraction of what it takes to develop successful software. For those who ...

Jim Manley

<r>fionafiona said: How about popping it into an A5 transparent plastic wallet or file? This would give enough space around it to effect a sort of control on the cables, too perhaps? It would protect it a bit whilst in a school bag and enable very easy opening, shutting, personalis...

Jim Manley

Are you running these under the Debian emulated on the R-Pi to make sure that everything works on ARM?

Jim Manley

<t>The SD card is only needed to boot the R-Pi, so, once that's done, if you have another storage device attached via USB, you will be able to install Linux on that USB device and then rewrite the SD card. There is a directory on the SD card named /boot that is the only directory that needs to rema...

Jim Manley

<t>Be aware that running a full LAMP stack on the R-Pi might be a bit much, and you might not be able to run much else at the same time, if needed (and is certainly overkill for what you want to do). I don't have the links handy, but, there are lightweight alternatives to Apache and MySQL (PHP isn'...

Jim Manley

<r>Not sure about other islands outside of the big American one, but, we have a really great resource for recycling older-but-still-usable stuff at <URL url="http://www.Freecycle.com">http://www.Freecycle.com</URL>. You can search for local Freecycle web sites and e-mail lists where you can sign up...

Jim Manley

<t>I am going to repeat some things I said earlier because you don't seem to have understood what I was trying to warn you about. If you're going to roll-your-own (pun fully intended ) software and hardware, start in two dimensions and keep your model on the ground until you can get every...

Jim Manley

<t>If you want to use a browser GUI, running a lightweight HTTP server (something less resource-intensive than Apache, if you want to run anything else besides the web server) will allow you to use all of the typical protocols to display and access files on any network-enabled device such as other c...

Jim Manley

<t>The USB bus is more than capable of handling a standard-definition (SDTV, aka digitized composite video) stream both in and out. However, as it's been described so far, not everything needed to do video processing through the GPU is available, software-wise. Access to proprietary Broadcom sourc...

Jim Manley

<t>I hope we can safely assume the GertBoards aren't going to be distributed by RS or Farnell? ;) Not that it would matter, since we're much more likely to receive GertBoards long before our R-Pi boards no matter who manufactures and distributes them, given the difference in demand betwe...

Jim Manley

<r>I've added the educational programming languages described below to <URL url="http://elinux.org/RPi_Educatio....._languages">http://elinux.org/RPi_Educatio....._languages</URL> andyl said: Not just that, using stuff like awk and friends can get real useful stuff done. ...

Jim Manley

<r>Here's the source for Scratch: Scratch 1.4.0.1 source tarball If you don't know how to compile the source in the R-Pi emulator, here's where the Windows, OS X, and x86 Linux installers can be downloaded so you can work with Scratch until an R-Pi installer is available: ...

Jim Manley

<t>No one has received a production R-Pi, yet, due to a manufacturing glitch where an incorrect Ethernet connector was installed on all 10,000 initial boards (they are being reworked to replace the connectors and ship during the week of March 18th). Manufacturing of the next batch(es) will depend o...

Jim Manley

Geany is being included in at least the Debian distro specifically for developing with Python (although obviously, it can be used with any language). It's demonstrated in the Raspberry Pi Tutorial 3 - Hello World, Geany and Python YouBoob video, which features Debian:

Jim Manley

<t>Just to put things in perspective about mass-produced electronics, Apple's suppliers are making the parts and assembling upwards of 50,000 iPads PER DAY! However, that's being done with a workforce of several hundred thousand employees/slaves/children/dogs/etc. working around-the-clock ): in fac...

Jim Manley

<t>Brod - some of the posters were unnecessarily hostile in their responses to you and, while we're waiting for them to apologize to you, I'll try to explain why they were being so negative so that you might be provided some actual useful information. If it's not obvious by now, since the...

Jim Manley

<t>A recompile is probably not going to be sufficient. Hardware drivers usually need to take into account specific features of both the host CPU and peripheral hardware. The source code provided will take care of the peripheral details, however, since the ARM architecture is quite different from t...

Jim Manley

<t>Hi Phil, There seems to be a recent trendy move to white type on black backgrounds and, while it's fine for logos and occasional advertising-style content, it's a death-knell if you expect people to actually read more than a paragraph. There's a very good reason why we've traditionall...

Jim Manley

<t>James - the prototype of the HDMI/USB "stick" version of the R-Pi demoed starting in May 2011 had a camera - was it connected to the GPU via CSI? If so, can the Foundation at least provide an API via the proprietary GPU driver so that we can get video directly into the GPU? Did the ca...

Jim Manley

<t>Present the various options to the kids and let _them_ decide what's easy/hard/powerful/wimpy/etc., based on their personal experiences and preferences for doing things. Some will prefer command lines, others will need a GUI, and a few could probably even adapt/develop their own IDE, given open-...

Jim Manley

<t>I would also recommend using the R-Pi as the sensor host and have it transmit data via a web server running on the R-Pi over WiFi to devices like smart phones and tablets with much better displays than will likely be available for the R-Pi at a reasonable cost for some time. Note that cost inclu...

Jim Manley

<t>No need to ship metal weights - that's the nuclear-weapon-to-swat-a-fly solution It would be possible to identify already-available metal plates with threaded holes to which the case could be bolted (e.g., something like the VESA standard used to mount flat-screen TVs on swivel arms/frames, etc....

Jim Manley

<r>I"m an amateur electronic musician and instrument builder/experimenter going back to the days of analog 1 volt/octave modules pioneered by the likes of Bob Moog, Oberheim, Arp, etc. I haven"t tried it on the R-Pi emulator, yet, but, a well-developed, open-source, digital synthesizer library that ...

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