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Название: Circuit Cellar №4 2010 Издательство: Circuit Cellar Inc. Год: 2010 Страниц: 82 Язык: Английский Формат: pdf Качество: отличное Размер: 16.2Mб
Девиз журнала: "Инженеры для инженеров"
Главная тема номера: Embedded Programming
Task Manager New Development, by C. J. Abate
Priority Interrupt Drive-by-Wire Roulette, by Steve Ciarcia
New Product News, edited by John Gorsky
FEATURE ARTICLES Converter Performance Management Design Tips for Working with On-Chip ADCs, by Jeff Shoemaker When creating an application that uses a microcontroller’s integrated ADC, you need to know how all the parts (e.g., sensors) can affect the system’s overall performance. This article includes design tips for getting optimal performance from an on-chip ADC.
Serial Network Hub (Part 2) Circuit Design and Usage, by Peter Montgomery You are well on your way to building a six-port RS-485 hub that can implement a network packet system. Here you learn the details about the software and hardware, as well as some hidden “gotchas” present in RS-485 chips.
Smart Control An Innovative Approach to Reflow Soldering, by Alexandre Ney Guimaraes This new approach to reflow soldering incorporates a toaster with a controller built around an LM3S102. The system features a simple graphical display and buttons for starting the cycle.
FROM THE BENCH Audio Applications with a Playback IC, by Jeff Bachiochi If you want to bring useful audio recording capabilities to an embedded design, try working with a playback integrated circuit. It’s easy once you resolve any memory issues associated with your design. This article details how to use a microcontroller to access a playback IC and associated EEPROM to play prerecorded audio files.
ABOVE THE GROUND PLANE Totally Featureless Clock (Part 2) Hardware, by Ed Nisley The first part of this series about a “totally featureless clock” detailed how to build a WWVB simulator. This article covers the clock’s hardware and overall design.
THE DARKER SIDE Picoammeter Design, by Robert Lacoste If you occasionally work with low currents, you should have a picoammeter on your workbench. With some perseverance and a little know-how, you can build one in a couple of hours. But first you need a good understanding of current measurement and transimpedance amplifiers.
SILICON UPDATE Wizard Lizard Start Working with a Multidimensional SBC, by Tom Cantrell Small SBCs are a dime a dozen, so what sets one apart from another? Sure, the hardware capabilities are important, but most SBCs cover the basics. However, there’s more to the story than the spec sheet. Check out the Chameleon, a colorful controller that proves two heads are better than one.
BONUS FEATURE ARTICLE
The FeelTagged System, by Stefan Negru
With Arduino board, some programming skills, and a little imagination, you can create some pretty futuristic HCI projects. This article covers how to communicate human emotions on a 2 ? 16 LCD.