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Nickname: eeInvestigations     Articles(69)     Visits(33038)     Comments(3)     Votes(49)     RSS
Engineering Investigations creates blog space for engineers to describe how they cracked a baffling technical problem and talk about ingenious solutions they developed to solve it. It celebrates your achievements and inspires others to follow suit.
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Posted: 01:53:50 PM, 27/03/2014
A young colleague was trying to make a measurement using an analogue-to-digital converter (ADC) and convert this measurement into a voltage to be displayed. He was playing around with the floating-point functions of the compiler. I observed that there was no real need to use floating-point data or......

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Posted: 04:15:31 PM, 26/03/2014
In this blog, I thought we should consider things in the context of microprocessors. In almost every piece of electronic equipment we use today, there will be some kind of microprocessor (MPU) or microcontroller (MCU) controlling the operation. Following Moore's Law, microprocessors have dou......

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Posted: 05:24:35 PM, 07/03/2014
There are indeed happy accidents. In this case, the accident happened to be dropping a surface mount resistor into a hole on a PCB. It fit perfectly, which gave Kevin Bateske the inspiration to incorporate this concept into a project. The lucky recipient of this design method was the Arduboy, an ......

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Posted: 06:51:31 PM, 04/03/2014
There is a general rule that you can never have too many LEDs in your project. In this project, we're interested in only a single LED—the LED is the project.   The home made OLED shining bright. Ian Hanschen decided that he wanted to create an OLED from scratch. After research......

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Posted: 05:53:20 PM, 20/02/2014
A comment that is even vaguely critical of industry in China always seems to be welcomed by an avalanche of responses in its defence. Often, they fight fire with fire, and so I write this blog with some trepidation. Let me say at the outset that all my experiences are based on the statistically ......

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Posted: 04:29:57 PM, 06/02/2014
These days, life is a wonderful thing for the open hardware hacker and hobbyist. Ten years ago, electronic industry professionals could have only dreamed of development kits such as the Arduino, BeagleBone, and Raspberry Pi. However, today we must face the problem we faced in the past—buildi......

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Posted: 06:57:01 PM, 30/01/2014
I've invited my colleague Brian Dipert to share his perspective on various face analysis algorithms used in embedded vision. As editor-in-chief of the Embedded Vision Alliance, he regularly discovers and reports on interesting embedded vision applications, some of which he discusses here. Fa......

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Posted: 06:37:24 PM, 23/01/2014
At DesignCon last year, Al Neves, the self-proclaimed signal integrity (SI) Practitioner shared that he uses airlines every week. He's also the Chief Technologist with Wild River Technology. Of course Al is referring not to taking a plane every week, but to using the specially constructed prec......

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Posted: 09:35:44 PM, 09/12/2013
I am quite happy to announce that the Playstation 3 controller has been modded and has been delivered to someone who needs it. If you don't remember the entire story, check out Part 1 where I asked for ideas on how to modify the controller for someone with muscular dystrophy. Getting to a pr......

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Posted: 10:21:34 PM, 05/12/2013
After several years of hype, multi-core and multiple-CPU embedded systems are now becoming mainstream. There are numerous articles about multi-core design that address different hardware architectures (homogeneous and heterogeneous multi-core) and software architectures (AMP: asymmetrical multi-pr......

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