Category Archives: AVC

Roving Networks RN-42

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

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

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I have a full year till AVC 2014!

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

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AS3935 details

After a very frustrating weekend, I am pretty confident I have the worst of the integration problems behind me. The Embedded Adventures board is a very nice board but did take the choice of SPI or I2C out of my … Continue reading

Posted in Arduino, AS3935, AVC, Components, Lightning detector, Pololu 9DOF IMU, Processors, Projects | 16 Comments

Temperature stabilization of the IMU

I have a Pololu 9DOF IMU that I plan to use for the Sparkfun AVC competition. One thing (of a few thousand!) that has me worried is the bias of the sensors as a function of temperature. The datasheet indicates … Continue reading

Posted in AVC, Pololu 9DOF IMU, Projects | 2 Comments

Sandy and gyros

Seems like I spend more time logging non robotic events than the other way around. This weekend I was planning on spending quality time with a new ARM development board I purchased, but my wife and I decided that this … Continue reading

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Gyro calibration table

Finally getting close to finishing the gyro calibration table. This was made from a re-purposed record player. I gutted the electronics, the tone arm, and even the motor. Replaced the motor with an electric starter motor for a nitro RC … Continue reading

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GPS Error

I started to experiment with GPS positional error. I placed a Trimble Lassen IQ receiver in the shadow of my house. Most the the satellites vehicles (SV) in the south are masked. I logged position data all night and loaded … Continue reading

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Another break

Having to take another short break. Time to take a small vacations and to get the kids off to college. I had been working on a gyroscope calibration table but that will all have to be put aside for a … Continue reading

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The trouble with being ethical

After I got Vectronix to agree to a sponsorship of my AVC bid, I was compelled to get approval from my employer as we do business with Vectronix. After numerous exchanges, my companies policy prevents me from accepting the compass. … Continue reading

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