Tag Archives: hallowe’en

True North

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

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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Hallowe’en in a box

Just add switches and a 9-year-old geek. That’s Adafruit’s FX card, which can store 2MB of sound files and spit them out to a powered speaker based on any of 11 trigger lines. With additional modes including looping, sequential (play … Continue reading

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