最近(買)了很多電子書 關於程式方面 化學的 生物化學的 因此很想來買一台閱讀機 可是東看西看 都無法滿足我的需求 原因不是大小或是價格 主要的原因是檔案格式 我手邊的電子書格式主要是PDF但是也有CHM 也有FLV也有AVI MP4....這樣一來除了PC/Mac外就沒別的機器可以滿足我的需求了 閱讀機還是先擺一邊吧!
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June 2010
June 30, 2010
3D displays and haptic interfaces come together in HIRO III
via Engadget ---> Click to watch Video
June 29, 2010
Leaf Maple (Cortex M3) , Now you can get it from Seeedstudio
The Leaf Maple is a microcontroller board based on the STM32F103RB microprocessor. The Maple runs at a maximum of 72 MHz, has 39 digital input/output pins, 16 analog inputs, native full speed USB, 3 USARTs (hardware serial ports), integrated SPI/I2C support, a power jack, and a reset button. Maple is programmable over USB via our provided DFU bootloader, no extra hardware required! Users can also program the onboard program flash via external JTAG interface. Maple offers security support for read/write protected addresses, as well as User and Handler processor modes. It has a real-time sysTick, useful for a real time OS or any timing senstitive applications. 6 advanced interrupt timers will help you here as well. Maple can be powered via USB, a wall adapter, or it can run off of a rechargeable lipo battery (see below for more info). The Maple is compatible with shields designed for the Arduino Duemilanove or Diecimila.
June 27, 2010
黑心ATmega328s (2)
via Sparkfun <---根據Sparkfun的調查 黑心ATmega328s 裡面是有IC的!
June 24, 2010
June 22, 2010
June 21, 2010
Bus Pirate: Firmware v5.0
Newterm has a bunch of new stuff:
- Updated and revised command line
- Accepts strings of commands at once (configure a mode in one line)
- Menu and syntax are merged, removed sub-menus for pull-ups
- Command history recall
- BASIC script engine
- ASCII data can be sent to directly to a bus using “quotes”
- Full voltage reports and pin state information
- Updated help
The Big Build
June 18, 2010
Arduino Tiny Web Server
Arduino TinyWebServer is a small and extensible HTTP server implementation designed to run in a limited amount of space on an Arduino Duemilanove. It uses the Ethernet Shield for network connectivity (from Sparkfun or from Adafruit), and the Adafruit Data Logging shield for storage purposes.
Web pages, images and other content can be copied manually on the SD card or uploaded through the HTTP server. The latter allows you to push new versions of the web server's content without the need to remove the card, which can be a pain in embedded applications.
June 16, 2010
如何煮阿薩姆奶茶
1.三人分
2.300cc 牛奶 + 400-500c開水 (400cc 牛奶 400ccd開水也ok)
3.牛奶 + 開水煮沸後 先加糖(不加就跳過) 牛奶煮沸後容易冒泡 要注意
4.放入茶包(我都加4包)再煮5分鐘
5.悶一下 就可以了
PS.買一個小鍋子(1000cc)如照片中的會比較好煮 泡的加牛奶跟煮的差很大
馭風男孩 by William Kamkwamba & Bryan Mealer
1.A True Maker
2.A good story for movie
Biology is Technology
左邊"Biology is Technology "是一本介紹目前的生物科技進展和未來的發展 是一本讓人覺得生物科技還有一大段路要走的產業因此很值得投入(它用了VLSI的比喻讓我很容易瞭解)
右邊是關於生物科技公司取之於大自然卻將產品專利化的怪異現象 我是反對專利的 所以很容易認同作者的看法 我覺得我們都是站在巨人肩膀上的侏儒 申請專利保護有一種得了便宜還賣乖的感覺
PS.最近瘋狂的看有關生物 細胞 DNA 化學的書 接下來要來弄台DNA 電泳槽來感覺一下
June 15, 2010
June 14, 2010
Invent Your Own Computer Games with Python
"Invent Your Own Computer Games with Python" is a free book that teaches you how to program in the Python programming language. Each chapter gives you the complete source code for a new game, and then teaches the programming concepts from the example.
"Invent with Python" was written to be understandable by kids as young as 10 to 12 years old, although it is great for anyone of any age who has never programmed before.
This second edition has revised and expanded content, including using the Pygame library to make games with graphics, animation, and sound.
June 13, 2010
June 11, 2010
June 10, 2010
A Paper Test for Liver Damage
Diagnostics for All, a nonprofit startup in Cambridge, MA, has designed a cheap, disposable blood test for liver damage. The device uses a stack of paper the size of a postage stamp for a test of toxicity for drugs to treat HIV and tuberculosis.
新朋友 STM32F103 (6)
Poor student's oscilloscope <--使用音效卡
Bursts of Low-intensity Ultrasound Make Neurons Fire.
June 09, 2010
新朋友 STM32F103 (5)
利用Arduino 模擬另一顆Co-Processor (ABS Measure,RFID,Temperature Control)
PCB洗回來了 下星期就可以上正式版子測試了
June 08, 2010
High-Wire Robot to Inspect the Grid
The rectangular robot--looking a bit like a scaled down version of a solar car--is equipped with a high-definition camera and sensors that can detect overgrown trees. "It will do image analysis to see if there is something different with the structure compared to an earlier picture taken from the exact same spot," says Phillips. Being able to remotely spot high-risk trees, which are the top cause of electrical outages, is important to utilities. The big August 2003 blackout was triggered by a poorly trimmed tree. "The images will be very high-definition, and we'll be able to zoom in," Phillips adds.
把Robot弄上高壓電纜上 用先前的照片資料與現在相比 找出可能出事的地點(例如長太高的樹木)The $30 Genome?
Because the droplets are so small, they require much smaller volumes of the chemicals used in the sequencing reaction than do current technologies. These reagents comprise the major cost of sequencing, and most estimates of the cost to sequence a human genome with a particular technology are calculated using the cost of the chemicals. Based solely on reagents, Weitz estimates that they will be able to sequence a human genome 30 times for $30. (Because sequencing is prone to errors, scientist must sequence a number of times to generate an accurate read.)
A 10-Cent Blood-Type Test
...
The Australian research team developed a piece of paper with
three arms--each printed with a different antibody that matches the
antigens on red blood cells. A drop of blood placed in the center of the
paper moves along each arm, but it will be stopped if it meets a
matching antibody, revealing the blood type. The test has demonstrated
the same accuracy as current lab-based blood typing, according to
Garnier. In addition, the whole process costs less than 10 U.S. cents
per test and requires only a drop of blood. Garnier says that the
bioactive paper could be a useful platform for other types of blood
tests, including those for tuberculosis, anemia, and diabetes. The
research was published in the journal Analytical
Chemistry.
...
Cheap home made IR compound eye
The eye consist of 4 IR LEDs and 4 pairs of photo transistors. The phototransistor pairs are connected in parallel to increase their sensitivity. The phototransistor pairs are then connected to your analog inputs the same way you would connect an LDR. This circuit is really 4 FritsLDRs but using phototransistors instead of LDRs. The main reason for this is that the lens on the phototransistors makes them more sensitive to light directly in front of them and because LDRs are very slow to respond to changes in light.
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