這是一個小小科學實驗室,裡面有很多很多好玩且有趣的實驗,研究內容包羅萬象,放在此處,希望有志者能一起來研究討論! ______"閱讀本blogger最佳瀏覽器 用google Chrome"_______
2013年8月31日 星期六
Raspberry Pi -25美元電腦 .
35美元版本
25美元電腦
外界引頸期待的Raspberry Pi家用準系統電腦,準備投入量產。測試版Pi正進行檢查,若一切順利,明年1月會進入量產。
英國廣播公司(BBC)報導,這款還在研發的25美元低價個人電腦,希望能激勵熱衷科技的新一代。
Pi採用類似手機內常見的ARM晶片,以及擬採Linux開放作業系統。
Raspberry Pi的構想,來自資深電玩遊戲設計師布拉本(David Braben),他當時正想辦法激勵年輕人投身科技領域。
Raspberry Pi的研發在英國劍橋郡(Cambridgeshire)進行,一舉一動都受到粉絲密切關注。23日官方部落格宣布Raspberry Pi已經有首批電路板成品。
電腦成品將分為兩種規格販賣:25美元的版本沒有網路孔,35美元版本則有。第1批10台成品開放競標。
Raspberry Pi搭載700MHz ARM11處理器,記憶體128MB,能處理1080P高畫質影像解碼,還有USB端子。
http://www.raspberrypi.org/
Computer on a stick for only $25(25美金)
A British nonprofit has a novel idea for getting kids interested in computer programming--a computer that fits in a pocket and costs less than the latest video game.
It's called Raspberry Pi, and the prototype isn't pretty--it looks like a leftover scrap from electronics recycling day. But it's a working computer that game developer David Braben and his Cambridge-connected colleagues expect to make available for only $25 for a fully configured system.
Don't expect to see Raspberry Pi on store shelves anytime soon--although I think it'd do pretty well in the check-out line in between the tabloid mags and packs of Trident--because the rough prototype still needs some refining and the Raspberry Pi Foundation's goal is to get the systems into the hands of children in both the developed and developing world.
"We plan to develop, manufacture, and distribute an ultra-low-cost computer, for use in teaching computer programming to children. We expect this computer to have many other applications both in the developed and the developing world," reads a description of the project on the foundation Web site.
The mission recalls other projects that have attempted to make low-cost computers available to kids, like the One Laptop per Child initiative's dream of $100 Internet-ready laptops worldwide, or a $35 tablet from India. OLPC has had some notable successes in places like Uruguay, but has run into problems delivering on its low-cost promises, a challenge Raspberry Pi will also face, and with even fewer resources.
The computer is essentially an ARM processor, USB port, and HDMI connection. Connect it to a keyboard and a television or monitor and you have a fully functional Linux system. Here are the provisional specs:
700MHz ARM11
128MB of SDRAM
OpenGL ES 2.0
1080p30 H.264 high-profile decode
Composite and HDMI video output
USB 2.0
SD/MMC/SDIO memory card slot
General-purpose I/O
Open software (Ubuntu, Iceweasel, KOffice, Python)
Raspberry Pi 功能展示
Raspberry Pi - the £15 computer
詳細規格:
http://elinux.org/RaspberryPiBoard
開發軟體:
http://puppylinux.org/wikka/PARM
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