This project lets you dress up a window, Halloween prop or wall decoration with eye-catching LEDs that simulate dripping liquid, but leave no mess behind…it’s a completely dry effect!
We show you how to build a harness device that buzzes whenever you face north. We also test the hypothesis that you can passively improve your sense of direction by wearing the device for a couple of weeks.
This tutorial demonstrates how to perform hard iron and soft iron calibration for a 3-axis accelerometer, which is then used as a compass to find a geographic heading.
A whole generation of programmers have now grown up with the web, where JavaScript is the de facto language for creating dynamic user interfaces and managing databases.
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