6Elizabeth Laurencot | Task ManagerIs the Head Screwed on Straight? |
8Harv Weiner | New Product News
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12Silvio Tresoldi | HTML Sniffing RobotRobotic Odor PerceptionSilvio's robot can perceive odor concentrations and follow a trail, which could be useful in situations where there are harmful gases or other toxic substances. Watch out, bloodhounds; this robot smells better than you! |
18James M. Conrad Jonathan W. Mills | A PC-based Controller for the Stiquito RobotSmall. Inexpensive. Easy to develop. The Stiquito meets all of these requirements. If you've never worked with one before, listen up as James and Jonathan explain how they made this little robot walk with a tripod gait. Simple.Download: Conrad.zip |
24Myron Loewen | HTML Internet Appliance InterfaceInternet appliances still aren't the most reasonable things out there. (Why pay hundreds more for a $20 toaster?) But, Myron uses a PIC and a 2400-bps modem to make an Internet interface that leads the way to less-expensive Internet appliances.Download: Loewen.zip |
Embedded PC36Harv Weiner | Nouveau PC
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Embedded PC38Jeanne Dietsch William Kennedy John Belanger Kurt Konolige | PC/104 Takes a RideEmbedding a PC in a RobotWhen Activmedia Robotics was looking to improve the Pioneer robot, the number-one requested enhancement was an onboard PC. But how do you embed a PC on a mobile robot? The first task: catch up with the robot! |
Embedded PC42Ingo Cyliax | Real-Time PCAstronomical Issues, Part 4: Digital Radio SoftwareT minus four, three, two, one! It's time to complete this series on radio astronomy! In this final installment, Ingo focuses on the host software and FPGA configuration so you too can tune in to radio emissions from Jupiter.Download: RPC.zip Note: Follow-up notes in INK 110 Reader I/O. |
Embedded PC50Fred Eady | Applied PCsEasy DOS itDOS is dead? Not according to Fred! In fact, he thought DOS was the most feasible solution to his recent project. Fred put some diagnostic and service routines behind a touchscreen interface, and DOS made it easy. |
56Michael Bading | Low-Cost Data Acquisition SystemMichael uses a single-board 8-bit computer complete with its own OS and BASIC interpreter to create a data-acquisition system for under $1000. He did it in three months, too. And the best part is the one it lacks: no PC required.Download: Bading.zip |
64Ingo Cyliax | Turn the PagePager Technology in Embedded ControlLow-bandwidth one-way communication that's wireless and cost effective is the big reason Ingo sees pagers being applied to embedded control applications. Tune in as he uses pager technology to monitor and send alarm conditions to pagers.Download: Cyliax.zip Note: Follow-up notes in INK 110 Reader I/O. |
70Glen Reuschling | MicroSeriesUSB Primer, Part 3: Low-Speed USB Host ControllerTo wrap up our series on the Universal Serial Bus, Glen presents a two-part discussion on building USB hardware from scratch. This month, he lays the groundwork for putting together a USB host controller. |
74Jeff Bachiochi | From the BenchDemystifying LCD MuxingAs the number of LCD segments increases, so do connection problems. This month, Jeff takes an up-close look at multiplexing LCDs and the problems we're likely to encounter working on such a task. |
78Tom Cantrell | Silicon UpdateEye Candy -- Camera ChipsElectronic imaging has largely depended on CCD technology, but CMOS imagers are making huge strides these days. Tom looks at a few units capturing the low-resolution market, and boy, are they an eyefull! |
82 | HTML Test Your EQ |
95 | Advertiser's Index / August Preview |
96Steve Ciarcia | HTML Priority InterruptCircuit Cellar Online |
Circuit Cellar OnlineSteve Freyder David Helland Bruce D. Lightner | HTML A $25 Web Server"See the world's smallest web server." There are no age or height restrictions, but we're talking real excitement. Step right up and see how these guys put together a stand-alone web server that includes an Ethernet controller, real-time networking kernel, TCP/IP stack, and a PCB smaller than a business card.Download: c79blcode.zip Lightner.zip |
Circuit Cellar OnlineGeorge Novacek | HTML Testing 1, 2Part 1: Enduring ChallengesAccording to George, product testing should be more like a torture chamber than a sound check. In this series, he explains how the value of extreme test routines is more important than the cost of those routines. Before this set is over, you will understand why not running electrostatic discharge, electromagnetic immunity, or power and operational shock tests can leave you singing the blues over smoldering electronics. |
Circuit Cellar OnlineBob Perrin | HTML The Art and Science of RS-485RS-485 has been around for a while and has quite a range of applications, but that doesn't stop some people from doing it wrong. If you're not too fond of homework, pay attention because Bob is going to share his notes on the RS-485 standard and explain what it takes to successfully implement an RS-485 network. |
Circuit Cellar OnlineRichard W. Fergus | HTML Electromagnetic Radiation and Severe WeatherUnfortunately, not all severe storms turn out to be just a bad dream. So, if you're running toward the root cellar, you might want to bring Richard's electromagnetic radiation sensor so that you can directly monitor the severity and distance of approaching storms. |
Circuit Cellar OnlineGeorge Martin | HTML Lessons from the TrenchesLogging in the '90s, Part 1: Data Acquisition SystemRest easy all you spotted owl fans, George isn't headed for the old growth forests; he's headed toward the new market for data-acquisition systems. As desktop spreadsheet and data-graphing applications become more user friendly, the market for custom data-logging systems is becoming tighter. Join George as he takes a data-acquisition module, Visual Basic, and whittles down some code to form a general-purpose data logger.Download: c79gmc1.zip Martin.zip Martin-new-8-11-99.zip |
Circuit Cellar OnlineBob Perrin | HTML Considering the DetailsPedigree Protection, Watchdog CircuitsA motion-triggered recording of vicious canines may keep the average cat burglar off of your property, but it takes more than just the presence of a watchdog circuit to keep embedded-system failures at bay. Sit, stay, and listen while Bob explains how effective watchdog timers are implemented in hardware and software. |
Circuit Cellar OnlineTom Cantrell | HTML Silicon Update OnlineSomething Happened on the Way to the ForumBuckle up as Tom takes a ride down the microprocessor highway and visits the Embedded Microprocessor Forum. Come to a complete stop and listen as he discusses the latest in embedded microprocessors and even gives some insight as to what kinds of products will be crossing our paths down the road. |
Circuit Cellar OnlineJeff Bachiochi | HTML Ask Us, The Engineer's Tech-Help ResourceLet us help keep your project on track or simplify your design decision. Put your tough technical questions in front of the ASK US team. In an engineering predicament? Read questions & answers from other engineers. |
Circuit Cellar OnlineBob Perrin | What's Your Engineering Quotient?Test Your EQ presents some basic engineering problems for you to test your engineering quotient. |
Circuit Cellar OnlineBob Paddock | Resource LinksEach month Circuit Cellar's Resource Links provide helpful links and information on a variety of featured topics. |
Circuit Cellar OnlineHarv Weiner | New Product NewsNew Product submissions may be sent to Harv Weiner, 4 Park St., Vernon, CT 06066. |
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