Tag Archives: accelerometer

True North

Posted on November 1, 2015 by paulwallich

Well, except for declination error and any nearby metal objects, and within the resolution of the stepper motor… Ingredients: Adafruit 9-degree-of-freedom accelerometer/gyro/magnetometer, wired through a slip ring to an Arduino clone with lots of spare 5-volt power, driving one of … Continue reading →

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My hallowe’en costume

Posted on October 31, 2014 by paulwallich

Yes, I’m going as a bar graph. I’m an ex-physicist, a tech writer and a geek, so it’s perfect. I have to admit that after 30 years of working on technical illustrations that ended up on magazine covers and people’s … Continue reading →

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