edward_henderson

Edward Henderson

Senior Electrical Engineer

Senior Electrical Engineer with a strong Software background and Digital Design, including FPGA development and complex board design.

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EEWeb Stats

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Discussions Comment: Announcing a few improvements to the EEWeb forums

January 03, 2012

Fascinating! I was able to recreate that behavior under Firefox (on Mac). We will put it on the list of items to fix.

Thank you very much for pointing this out.

Discussions Comment: Announcing a few improvements to the EEWeb forums

January 03, 2012

Todd,

Can you please try and right-click on the menu? In most browsers this should present you with an option to “Open in new tab”.

Discussions Comment: Thesis Topic

October 26, 2011

My thesis advisor specializes in RF systems. His area of interest is in software-defined radio, or SDR. SDR is gaining much more popularity due to the availability of systems that can perform all of the traditional radio processing digitally. Field programmable gate arrays (FPGA) are one such…

Discussions Comment: Thesis Topic

October 26, 2011

Chris,

I do not know what school you attend, but in my experience students generally work with an advisor to find a suitable topic.

Many advisors prefer you choose a topic in their area. I would suggest you find the professors in your department that work in RF & microwave, and discuss this…

Discussions Comment: SIMULTANEOUS INPUT/OUTPUT

September 03, 2011

I do not know about the solar charger specifically, but I would expect that the 16 volt output is with no load. If you plug that in to charge your van battery, the voltage will be lower, about the same as your van battery. The voltage will increase slightly as the battery is charged, but nowhere…

Discussions Comment: Line follower robot

August 16, 2011

Pumendu,

You need naturally need some processing capability on your robot. Image processing can be quite complex and generally requires a powerful processor. I tend to prefer FPGA’s for this type of application. With an FPGA you can include an embedded processor, and also include some custom…

Blog Comment: Building a Reflow Oven

July 14, 2011

The matlab code I wrote was pretty bad… Also, I never implemented a temperature controller, I implemented a GUI interface that allowed me to control the oven. I only used it a few times, so, I never put in the time to build a control algorithm.

I can post the code, with a few comments if you…

News Comment: 10-Degrees-of-Freedom MEMS Sensor

June 09, 2011

The level of integration is phenomenal. Unfortunately, so is the price. More than $600 in small quantities, $400 if one needs 1000 or more. I look forward to the lower cost versions of these. It occurs to me that these devices would be most ideal for portable devices, but those devices are very…

Discussions Comment: Sound Compression Algorithms

April 21, 2011

Just when you thought you knew everything about a topic, something new comes along to upset the apple cart. There are new techniques for sampling that violate the tenets of Nyquist. These new sensing techniques use random sampling of the signal, and the principle of sparsity.

Sparsity implies…

Projects Post: Gyro and Accelerometer Glove

April 19, 2011

For my Masters in Electrical Engineering I will design and implement a glove that contains 6, 6 degree of freedom, inertial measurement units located on the fingers, thumb and hand. The glove will provide a platform for development and understanding of inertial measurement techniques. The glove…

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