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Board Versus Box: The Age-Old DAQ Dilemma

Since the beginning of PC-based data acquisition and control in the 1980s, one question has remained a constant consideration for all who would specify a new DAQ system. Is this application better served...

Making Metal Strip-Stock Flatter

For companies running cold rolling mills that produce metal strip for a multitude of uses—from razor blades, to cans for foodstuffs, to automobile fenders—monitoring the flatness of the mill’s output...

Fast-Paced Technology Drives Product Innovations

A number of factors are driving the development of ever more powerful and flexible data acquisition products. Among them are higher performance semiconductors, widespread adoption of new form factors,...

Interfacing DAQ Hardware To Linux

Linux is soaring in popularity as an operating system (OS) in both the commercial and technical environments. One thing lagging behind, though, is the availability of drivers for data acquisition and instrumentation...

Application Code and RTLinux

Once you have a real-time Linux platform of your very own, you’ll need to know how to establish communications between real-time tasks and non-real-time Linux application code Last month, the first...

Real-Time Linux

In order for Linux to be a true alternative to traditional real-time operating systems, its lack of determinism must be dealt with. Real-time extensions have recently made this an easy problem to solve. While...

Get Those Boards Talking Under Linux (Part 2)

Part 1 of this article explained how to register a driver with the Linux kernel, how to name a driver, how to call a driver function, and how to initialize a data-acquisition board. Part 2 explains how...

Get Those Boards Talking Under Linux (Part 1)

Roll up your sleeves and learn how to design device drivers for data-acquisition boards. Linux is now an attractive alternative to Windows, especially among engineers who roll up their sleeves and type...

Understanding PCI-Bus Subtleties Optimizes System Performance

The PCI bus offers a speedy data-transfer mechanism, one that far surpasses the ISA bus if implemented properly. Because PCI originated as a signal-level hardware specification, board vendors are free...