Category Archives: Projects

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 | 64 Comments

First impressions of the AS3935 lightning detector

After ordering the break out board from Embedded Adventures in the UK, I got a nice email indicating that they would ship to me via stock held in the USA. The email also included some sample code for a PIC.

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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

ADE7763 comments

I have received a bunch of comments on the ADE7763 home power monitor project. I will try to address then in the next few days with a special post. Edit: I elected to reply to each with a unique comment.

Posted in ADE7763, Components, Home Energy Monitor, Projects | 1 Comment

Lightning Detector

First I must apologize for going off line so long. Back in June I got a cold that damaged my inner ear. With the damage, I have been suffering from vertigo. Luckily, the brain learns and re-calibrates the inner ear … Continue reading

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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

Posted in Arduino, AVC, Processors, Projects | 1 Comment

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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