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Yay me! It came in and just like I had kind of feared it doesn't come with a SD card. So yeah I have my new toy just I can't use it yet lol. I'm excited though because I intend to try and use Debian on it. I will have to figure out what other OSes can work with an ARM1176JZF-S architecture so I can tinker with it even more. Oh man I'm excited :D
http://en.wikipedia.org/wiki/Raspberry_Pi
Congratulations!. That was a bit of a wait, wasn't it?
How big of an SD card do you need? I think I have some old 8gb ones lying about for an old camera that bit the dust years ago.
Well it was on back order, the opening sale of the device sold out in I think 30 minutes. They had to use that income to order another batch to be produced. Then there was a recall before they got completed due to USB ports being installed that had no connectors inside them. But hey I got it so WOOHOO!Quote:
Originally Posted by slgrieb
I believe 8 is enough, I think the minimum requirement was listed at 3 or 4 GB but hey I'm not picky :) Wish i could let you all physically inspect this thing it's amazingly small. Roughly the size of a blackberry motherboard.Quote:
Originally Posted by Guts3d
It almost makes me jealous...
I've just perfected my current platform:
http://i48.tinypic.com/2qa1f77.jpg
100% my build (based on a couple of reference designs)...
8-bit microcontroller @12.5MHz, 16k built-in RAM, 32k storage SRAM, SD card, RTC, ethernet, serial port, support for multiple addressable temperature sensors...
And in those 16k of RAM it runs TCP/IP with web server including a very crude ASP functionality, web client, NTP, DNS, FAT32 support...
I'd go for higher end microcontrollers but as a hobbyist I am kinda limited on the width of the traces I can get reliably and 2 layers for PCB... I don't want to send boards to be manufactured, would defeat the "DIY" principle...
Wow that's pretty cool man! I haven't done anything with circuits and soldering in over 10 years not to mention I was only learning at the time. I give you major props for your work.
In all honesty I'd like to go to the 32-bit microcontrollers, but how the hell do I make the PCB??? Can't have vias under SMD components, all designs would be huge, I need 40+ traces just between the RAM and the uC...Quote:
Originally Posted by Niclo Iste
Just imagine me with a glazed over stare, for I have no idea what you said other than PCB and Microcontroller. But that's more my fault than yours. It's been so long I seem to have forgotten much of what I paid to learn.Quote:
Originally Posted by CeeBee
Forgot to mention there is more stuff on the opposite side of the PCB...
http://i45.tinypic.com/208ba78.jpg
Just had a thought, if I wanted to run it off of a rechargeable battery system, which do you think is better to use? A cell phone/mp3 player battery or a laptop battery? I understand that cell phone and mp3 player batteries need some sort of regulator incorporated for steady voltage. What are your thoughts? The thing runs off of 5 volts but I may get bored and make this a portable computing system something like a hybrid of a netbook/touchpad system.
If it runs with 5V you'll likely have to make a switching supply (either buck or boost depending on battery voltage). Nominal voltage for Li-Ion is 3.6-3.7V so some conversion will be needed without any doubt.
In all honesty I'd use 6-8 NiMh batteries (with a switching converter to bring it down to 5V). They are dirt cheap, store enough power and don't need special charging circuits. Apparently the device needs some 2.5W, a set of 8 2000mAh AA batteries should give a total of 18Wh, with a 90% converter that would still be 16Wh usable so about 6h.
Hmm I kind of was hoping for a 10-24 hour battery and figured that a cellphone or laptop battery would do that but if it's too complex I guess I shouldn't consider it. If this turns out to be something I enjoy using it could get some serious usage time and that was why I wondered about batteries that hold a long charge.
Just curious what do you intend to do it as a portable device?
Depending on what I can get it to do, it could vary. I thought about a mini keypad with the device built on to the back of it. A possible 5 by 4 screen (touch type hopefully) or if I can find a vendor with them in stock glasses with a monitor built in, provided it works well with mobility. Incorporating an external wifi device to it. This all hinges on if it's easy for me to use and piggy back off of public wifi spots. Basically my ultimate nerd fantasy of being wired at any time I want without having to open up a laptop and avoiding using a crap phone and their carrier as a way of connecting.
If that all fails then it will become the cool mini device I use to emulate roms on when I go on vacations and trips taht plugs easily into TVs.
I highly doubt you'll be able to hook up a LCD screen to it without a decent amount of work (both hardware and software).
Hobbyist-grade LCDs with touch screen either use the SPI interface or a parallel interface with MANY pins, you'd have to write your own driver anyway which I guarantee will be a major PITA. Trust me on this one...
http://i50.tinypic.com/10egd1z.jpg
http://imagemacros.files.wordpress.c..._bunny_cry.jpgQuote:
Originally Posted by CeeBee
That's all I have to say. :sad:
I found a brand new, still sealed 8 gig SD card. I believe it is high speed, and none of the cameras I use SD memory You are welcome to have it, Niclo!
The bunny is no longer sad!Quote:
Originally Posted by Guts3d
Shame on CeeBee, that poor bunny had to suffer. ;)
Well I'm short a HDMI cord but it does take a RCA video cord as well, I should have one of those around here. I downloaded every OS they have sponsored on their site and I unfortunately had to by a micro USB cord since I lost my super small sleek one when moving. I'm almost there with finally using this after acquiring it!
I have a dozen micro-USB cords sitting in a bin! Might even have a HDMI cord or two as well, will look when I get home.
Sounds like a plan! Now all I need to do is get CeeBee to make me some drivers for a mini screen ;)
Well I'm posting on here from the RPi. It's a nifty little thing to use so far. The OS distribution I am on is the Debian Squeeze. Definitely a good build from what I can tell. It does have speed limitations and my test of loading cnn.com proved slower than a standard PC but that was expected. Well I'm off to finish work, then after that maybe some tinkering with this device.
Thanks for sharing your Pi with us Niclo.
The Raspberry Pi continues to roll on. From ZDNet: http://www.zdnet.com/raspberry-pi-in...577/?s_cid=458 The Raspberry Pi in space.
Well it looks like many of the ideas I had were ideas others had too, now I don't have to pioneer. I just have to follow their instructions.
Check the article here
Hey Niclo, your message quota is full, can't PM you...
All fixed, btw still trying to take time to tinker with this nifty thing. I need a spare usb mouse and usb keyboard. I've been trying to locate a usb keyboard that also doubles as a usb hub so I can daisy-chain a mouse into the KB. That way I have freed up ports on the RPi.
Depending on whose sales figures you want to believe sales of the Raspberry Pi are up around a million units. Who would have thunk?
Niclo, I have a few dozen USB mice, keyboards, and USB hubs. You're going to have to make the journey to Casa Del Guts3d and pick some stuff up. Bring the better half, but tell her that she may not beat my pinball high score... yet again...