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Stream of ideas, tips, and news for Electrical Engineers and programmers.
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Stream of ideas, tips, and news for Electrical Engineers and programmers. Covers electronics, software, careers, hardware design, theory, news
Recent Posts
Multiple Input Multiple Output (MIMO) Digital Radio
Multi input multi output (MIMO) digital radio has been receiving publicity lately because of the introduction of MIMO wireless local area networks for PCs (802.11g standard). MIMO has long been used in applications such as cell phones and phased arr...
Stepper Motors: Precise Positioning without Feedback
Rotating Stepper MotorLinear Stepper MotorStepper Motors have separate windings for each pole pair. By injecting current into the windings sequentially, the motor's rotor is forced to step from one pole to the next. Thus the sequence the windings a...
Update on Scilab (Free Matlab/Simulink Clone)
I am still working on Scilab (the Matlab clone) and it's associated block diagram GUI Scios (similar to Simulink). So far I have a working PI controller for a DC motor Laplace Transform I found on the web. Now I'm trying to learn more about how the...
Free Matlab/Simulink Clone
I found a free Matlab/Simulink clone on the web called Scilab put out by researchers from INRIA and ENPC. It has an associated simulator with a graphical editor called Scicos. You paste in blocks that can be sources, processes, or sinks such as a...
Digital Signal Processing Chips
I have taken a lot of digital signal processing courses but never programmed a special purpose Digital Signal Processor chip, so I thought it would be interesting to look into them. DSP chips are microcomputers optimized to implement difference equat...
Career Tip: Stay in School
I know some of my readers are students. For them I have this advice: stay in school. I know it is fashionable to scoff at academics and promote getting out into the real world and making money, but in the long and short run you are far better off t...
