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• 二十一世纪的磁盘操作系统（DOS in the 21st Century）　2009-05-13 15:06
  不用花费太多的努力，您可以把磁盘操作系统（DOS）变成一个方便的实时操作系统。正如Andrew和Jon所说的，它可能是最适合一个可能需要太多资源的单板微控制器嵌入式应用的系统。请您仔细阅读，了解这个USB闪存驱动器适用于磁盘操作系统（DOS）的阅读器是如何能够增强您未来的嵌入式应用的。 A USB Flash Drive Reader for MCUs Works for DOS With a little effort, you can turn DOS into a handy real-time operating system. As Andrew and Jon explain, it can be the perfect fit for embedded applications that may require too man...
  

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• 多核（More Than a Core）　2008-11-14 09:08
  While examining 32-bit microcontrollers last month， Tom decided that the STMicroelectronics STM32 was worth a second look. With the new ARM Cortex M3 core，good peripherals， integration， and energy efficiency， this could be just the MCU for your next project. Having covered the territory last month （"More Bits， Less Filling，"Circuit Cellar 212， 2008）， it‘s not my intention to get stuck on the topic of 32-bit MCUs. Believe me， there's plenty of other neat stuff going on with FPGAs， w...
  

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• 数字触摸（Digital Touch）　2008-10-29 22:23
  A Potentiometer with No Moving Parts Tired of replacing your mechanical parts？ Jeff has the solution：eliminate them. His design provides user input and a digital potentiometer for resistance or voltage output. Living in a material world has its benefits and drawbacks. You can either choose to become wrapped up in possessions with a possibility of becoming a King Midas or you can use technology to improve your life and those who share this neighborhood we call Earth. When I see the imbalance of...
  

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• 低能耗技术（Low-Power Techniques）　2008-10-20 15:37
  Build Better Energy-Saving Electronic Systems Welcome to the Darker Side. Simple calculations can generate impressive figures，especially when calculating energy waste. According to Wikipedia， our worldwide energy consumption is around 15 TW， which is 15，000，000，000，000 W. Considering that there are around 6.5 billion people on Earth， this is an astonishing number. Let‘s assume that everyone is using the same amount of power， including developing countries，this comes out to an average ...
  

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• 可控硅(Triac Behavior)　2008-10-15 10:36
  Triac Control Meets an Inductive Load Looking for more precise power control， Ed used a triac and a few supporting components to control high-power equipment. In this article， he describes everything you need to know about the circuits. The results might surprise you. Back in the not-so-good old days，controlling high-power equipment required big relays and motor-starting contactors； an armature‘s snap preceded the hum of large machinery and the whine of motors. Semiconductor power control h...
  

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• 简单的硬件开发(Simple Hardware Development)　2008-09-29 13:56
  After nearly three decades of programming, Taylor recently decided to focus his attention on learning how hardware is developed. He tackled his first project with a Xilinx Spartan-3E starter kit and the VHDL programming language. After 27 years of programming and increasing apathy toward new "technology，" which is generally nothing more than variations on existing themes （Ruby and Python are new scripting languages， but not significantly different than Perl， C# is a variation of Java， OpenO...
  

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• 视频邮票(Video Stamp)　2008-09-21 14:43
  A Handy Display for Debugging Programs Jose uses his "Video Stamp" system to debug his programs and display video from various applications. A PIC18F2520 microcontroller and three resistors form a rudimentary DAC to generate the NTSC-compatible video signal. Read on for the hardware and software specifics. Back in 1971， my first project as a hardware design engineer was a"dumb" video terminal that displayed 64 characters per row and 32 rows. When finished， the logic and power supply filled a 1...
  

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• 自己动手制作运动控制游戏（Do-It-Yourself Motion-Controlled Gaming (Part 2)）　2008-09-13 19:25
  anipulate 3-D Graphics Chris concludes describing how to build your own motion-sensing controller that can interact with a variety of graphics programs on a PC. He shows you how to build complex graphics with OpenGL. Now you can design your own video games. Since the release of Pong in the 1970s， video games have captured the imaginations of people all over the world. Most video gamers at one time or another have probably wanted to try their hand at building their own video game. I try to lever...
  

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• 程控电源（Programmable Power）　2008-09-06 11:02
  Build a Simple USB DAC Yoshiyasu describes the step-by-step construction of a simple USB DAC around an ATtiny45 and a MAX517.You can use the system as a programmable power supply. In this article， I‘ll explain how USB communication can be implemented on an Atmel ATtiny45 eight-pin DIP with open-source software packages（libusb， Cygwin， WinAVR， and AVRUSB）。WinAVR compiles the target firmware program under Windows. AVR-USB is an open-source USB protocol stack for firmware， which can be com...
  

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• 嵌入式Linux开发-I （Embedded Linux Development-I）　2008-08-29 21:00
  A Virtual Linux Environment on a Windows System Imagine this: a flexible embedded Linux development environment running under Windows.Now it's a reality. David created a virtual Linux environment on a Windows system usingcoLinux. This is your platform for embedded cross development. The development environment for my first system consisted of LEDs and switches. Today， embedded developers expect capable tools for the systems they work with. Embedded systems are getting smaller，more powerful， c...
  

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