设计我最赞的博客

如果你想在机器人上工作，但是没有时间从无到有去建立，那就请考虑买一台iRobot公司的Create机器人。这个机器人混合了若干自定义的特性，包括一个为板上编程的设计的命令模型，一个用来发送独立命令的串口线，10个内置演示程序，超过30个内置传感器和一个25针的扩展接口。 Build on an Existing Robot Platform If you want to work on a robot but don’t have to time build one from scratch, check outiRobot’s Create. The robot incorporates several customizable features, including a commandmodule for on-board programming,...

阅读全文>>

如果你正在设计一个带有可移动存储设备的系统，请尝试使用文件存储系统，比如FAT文件系统。乔治描述了如何利用系统打开文件，使用CF卡，以及执行其他基本操作。 Open Files and Perform Operations If you are designing a system with a removable memory device, try using a file storage system such as the FAT file system. George describes how to open files with the system, use a CompactFlash card, and perform other basic operations. For the past two years, we ’ve been exploring the C language and specifically h...

阅读全文>>

Scott在一个紧凑型移动机器人的创新的控制系统里使用了一个微控制器，一个嵌入式以太网板和一个无线路由器。这个机器人配备了一个安装在架子上的网络摄像头，并将实时图像传送到一台远程的笔记本电脑上。Scott阐述了他是如何设计这个项目、组装零件、并建立了控制软件的。 A Wi-Fi-Enabled System With a Mounted Webcam Scott used a microcontroller, an embedded Ethernet board, and a wireless router in an innovative control system for a compact mobile robot. The robot features a mounted webcam that transmits real-time p...

阅读全文>>

精确灌溉控制现在已经成为了显示。Thomas的具有先进计划的灌溉定时器（ITAP）是一个真正新颖的灌溉控制系统。这是一个易于使用的系统，它通过一个标准的web浏览器指示用户交互信息，提供了有用的信息，如浇水时间表和区域活动等等。 Build a Timer With Advanced Planning Tools Precision irrigation control is now a reality.Thomas ’s irrigation timer with advanced planning (ITAP) is a truly novel irrigation control system. The easy-to-use system, which directs user interaction into a standard web browser, provides ...

阅读全文>>

你有兴趣建立一个能够和它周围环境进行交互的复杂的视觉引导的平衡机器人么？Hanno告诉你如何利用一个视差螺旋桨、一个方便的设计套件以及一个廉价的摄像头来处理这个工程。 A Next-Generation Balancing Robot Are you interested in building a sophisticated,vision-guided, balancing robot that can interact with its environment? Hanno shows you how to tackle this project with a Parallax Propeller, a handy design kit, and an inexpensive camera. It ’s time to build the next generation of robots. With today ’s te...

阅读全文>>

Guido为一个独立微分控制探索机器人建立了一个导航控制子系统。在这个系列文章的第一部分，他描述了一个控制H桥驱动马达的机器人平台。Guido还通过一个通信系统来远程管理机器人。 Construct a Navigation Control Subsystem Guido built a navigation control subsystem for an autonomous differential steering explorer robot. In the first part of this article series, he describes a robotic platform that drives motors and controls an H-bridge. Guido also presents a communication system that remotely manages the robo...

阅读全文>>

What are microstrips and how are they used in PCB designs？Robert sheds some light on the topic of microstrips and describes microstripping techniques that you can use at your workbench. Welcome back to The Darker Side. This month， I am really a happy guy because I have achieved two of my goals. First， it should please my editors because I will present a subject in line with Circuit Cellar‘s monthly theme， which is， if you haven't read the cover， wireless communications. Second， the title...

阅读全文>>

As the catalog of wireless hardware options grows， so does the range of potential applications. This month， Tom introduces you to three new wireless gadgets， or "wadgets."There‘s something for everyone， from a mini-me Java machine to a wireless wire and everything in between. It‘s amazing to think that it's been a little more than 100 years since inventors like Marconi and Tesla pioneered wireless communication. What would the twentieth century have been like without it？ No radio. No TV. ...

阅读全文>>

Techniques for Evaluating Panels Long ago， my buddy Eks observed： "If solar power is so good， why is there winter？" His excellent engineering judgment notwithstanding， photovoltaic （PV） panels appear everywhere these days： dark plates facing the sun from buildings， backyards， and even utility poles. Common performance numbers concentrate on the big picture with sweeping assumptions that might well not apply in a specific location. Although everybody seems to know the "kilowatt per squa...

阅读全文>>

Put Soft-Core Processors to Work Want to change your processor？ No problem. Larry explains how to use the flexibility of soft-core processors to make the processor you want. For a while now， selecting a microcontroller for an embedded design has been a process of deciding which offerings yield the features you want and need. Having been involved in selecting processors for embedded devices， I know the frustration of trying to figure out which controllers have sufficient memory and peripherals...

阅读全文>>

An MCU-Based Irrigation Control System Tom describes a PIC-based prototype design for a wireless water control system for EarthBoxes， which are gardening boxes with water reservoirs and fertilizer strips for cultivating plants and vegetables. The scalable design can accommodate various multiple-box configurations. In this article， I will describe a prototype for a wireless water control system for EarthBoxes （see Photo 1）。 The design is scalable and can accommodate small to large quantities...

阅读全文>>

Use the FAT File Format to Move Data Jeff concludes his introduction to SD technology with information about using the FAT file format to move data. He also describes how to create directories and file entries， and delete， save， and append data using ring buffers. Whether it is audio， video， graphic， database，system， executable， or any number of other file types， they can all be stored， moved， and copied from one storage medium to another， thanks to the operating system‘s ability t...

阅读全文>>

Practical Switching Arrangements Steve continues his explanation of solid-state power switching by describing how to use a logic design to control real-world power. You can use his practical switching arrangements in your upcoming designs. Last month， I introduced the topic of solid-state power switching. I covered safety precautions， presented some rules of thumb， provided tips and tricks for safely dealing with high-power devices， and described some of the theory behind the actual power-sw...

阅读全文>>

Like Circuit Cellar， the Hot Chips conference just celebrated its 20th birthday. This month， Tom takes a look at today‘s bleeding-edge silicon that may find its way into tomorrow's mainstream designs. And the 20th birthday is also a good time to look back and reminisce about the hits and misses. Tom says "it‘s been a fun ride and it ain't over yet." Once again， I enjoyed my annual rite of summer，the Hot Chips conference at Stanford University. This year was a bit special as Hot Chips turne...

阅读全文>>

This month， George responds to reader requests for a thorough explanation of pointers in C language. He includes several examples and homework assignments. To get you started，George explains the connection between CPU address bits and memory address bits. I have had several requests for more information about pointers. Well， here it goes. I'll give you more than you ever wanted to know about pointers. ADDRESSING Pointers contain the address of an object and can be used to access that obj...

阅读全文>>