Category Archives: Projects

Azimuth

Posted on June 30, 2013 by Skye Sweeney

Determine ones heading in an autonomous vehicle is very important.  Without it, it is very hard to navigate a race course like the one for AVC. I have been very involved with FIRST LEGO League (FLL). The experiments that I … Continue reading →

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Not feeling the love

Posted on May 22, 2013 by Skye Sweeney

It is 12:30 at night and I was woken up by a thunderstorm raging outside. Heard the rain, saw the flashes, and heard the thunder. Went downstairs to look at the output of the AS3935 based lighting detector.  Dang thing … Continue reading →

Posted in Arduino, AS3935, Components, Lightning detector, Processors, Projects | 4 Comments

Roving Networks RN-42

Posted on May 13, 2013 by Skye Sweeney

Over the weekend I took a side trip with my AVC processor to include a wireless BlueTooth transceiver. This will allow me to communicate with the robot as I run various experiments. It turned out to be fairly easy.

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Magnetic flux

Posted on May 9, 2013 by Skye Sweeney

I have been playing with the magnetometer in the Pololu 9DOF IMU. I recorded the data into a CSV file and plotted it in Excel. At the time I did not think much about it, but one evening as i … Continue reading →

Posted in AVC, Pololu 9DOF IMU | Comments Off on Magnetic flux

I have a full year till AVC 2014!

Posted on May 6, 2013 by Skye Sweeney

A few months ago I came to the realization that I would have to abandon my bid for AVC this year. A whole bunch of issues came up in my work and private life that made it impossible to work … Continue reading →

Posted in AVC | 2 Comments

AS3935 code is on GitHub

Posted on April 2, 2013 by Skye Sweeney

I took my first jump into GitHub as a contributor. I put my current AS3935 based application called “Striker” into the repository. You can find it here: https://github.com/SkyeSweeney/Striker This should now get me off the hook for several of you … Continue reading →

Posted in Arduino, AS3935, Lightning detector | Comments Off on AS3935 code is on GitHub

Bug on AS3935

Posted on March 22, 2013 by Skye Sweeney

After three weeks of banging my head against a brick wall, I confirmed last night that the AS3935 has an issue with the I2C interface. There is an issue with the chip that prevents reading register zero without violating the … Continue reading →

Posted in ADE7763, AS3935, Components, Lightning detector | 2 Comments

AS3935 and register zero

Posted on March 17, 2013 by Skye Sweeney

The more I bang my head against this chip, the more I am certain there are ‘issues’ with it. I can now read and write every register with amazing repeatability except register zero. This register refuses to be read or … Continue reading →

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AS3935 lightning detector update

Posted on March 14, 2013 by Skye Sweeney

I was having problems with reliable communications with the lightning detector chip over the I2C bus. Sometimes I would read a register and it would not be at all what I was expecting. The situation was during calibration when I … Continue reading →

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Another excercise in Yak Shaving

Posted on March 3, 2013 by Skye Sweeney

I have been having problems with the I2C interface on a chip I have been playing with. Since I do not have an I2C bus analyzer (nor can I afford one!), I have been using my scope to decode bus … Continue reading →

Posted in Lightning detector, Python | Comments Off on Another excercise in Yak Shaving