The end result is an isolated point of light representing the tip of the wand, which can be fed into Open CV’s optical flow function to show [Adam] what shape the user was trying to make.

Is it magic? No, it’s a neat hack that uses computer vision to track the wand and recognize when you make the magic gesture. The trick is based on the same technique that Universal Studios use ...

Turn the tip making sure to have the end of the tip the exact measurement of the hole drilled into the handle. Then use epoxy and magic and seal the tip to the handle.

Whether you want lights to flicker on with a wave or sounds to play, this sensor can make it happen. In this post we'll talk about what the Magic Wand Sensor is, how it works with Home Assistant ...

One of the most interesting aspects of NTT’s waveguides is that “we can make any colour by choosing ... “I refer to it as a magic wand — you feel like a wizard because there’s so many ...