Electrical Engineer Crossword (Issue 273)
Issue 273 Crossword Key

The answers to Circuit Cellar’s April electronics engineering crossword puzzle are now available. Across 1.         BITDENSITY—Bits per inch of magnetic tape, for example [two words] 3.         KALMANFILTER—aka LQE [two words] 5.         EMBEDDEDSECURITY—Circuit Cellar columnist Patrick Schaumont covers this topic with articles … Continue reading

Build a Simple Dedicated Tester
A dedicated tester (with the white panel) simulates inputs and loads for an embedded controller. A breakout box (with the red terminals on the panel) allows access to every interface line.

Whether you’re planning a small controller for your own use or an electronic device for mass production, you need to keep “testability” in mind. So, it’s a good idea to make a dedicated tester for your product part of its … Continue reading

Client Profile: ARM, Ltd.
ARM, Ltd.

ARM, Ltd. 110 Fulbourn Road Cambridge, GB-CB1 9NJ, Great Britain www.arm.com www.arm.com/tools Contact: sales.us@keil.com Embedded Products/Services: The ARM tools range offers two software development families that provide you with all the necessary tools for every stage of your software development … Continue reading

The Future of Open-Source Hardware for Medical Devices
Fergus Dixon's embedded DNA sequencer project (Source: F. Dixon)

Medical technology is changing at a rapid pace, but regulatory compliance is also becoming increasingly harder. Regulatory compliance can act as a barrier to innovation, but it is a necessary check to ensure quality medical care. For small companies, aligning … Continue reading

Member Profile: Gordon David Dick
Gordon Dick

Location: Stony Plain, AB, Canada (Stony Plain is suburb of Edmonton, home of the Oilers) Education: MS, the University of Saskatchewan in Saskatoon, SK, Canada Occupation: Gordon is semi-retired. He used to be an Electronics Technology and Computer Engineering Technology … Continue reading