Changing Poi Colors Based on Speed and Velocity

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LED toys have become synonymous with the underground rave culture as party-goers gaze into vortexes of spinning light known as poi. Most of these objects come pre-programmed, but some can be custom coded. However, only a few tap into an accelerometer changing the colorful circles of energy depending on how fast they move through space. One stunning example is this LED device called the ‘Center Flee’ that translates accelerometer data into sequences of alternating RGB colors.

The LED values are ‘printed’ to the tethered objects at specific points in the rotational arc. The devices are controlled with an Arduino, and a XBee wireless module transmits data to a computer nearby, eliminating the need to manually remove an SD card after each spinning session.

When spun, the poi acts like a colorful, twirling extension of the performer that produces a mesmerizing, vibrant effect. It’s nice to see the progression of glow sticks tied to shoelaces into g-force sensing devices that can captivate surrounding audiences.

Other examples of similar types of ideas include this accelerometer poi that was cut with a CNC machine and these LED staffs for the ultimate portable rave.

Below is a video playlist of the Center Flee being tested out.

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LED Light Staffs for the Ultimate Portable Rave

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[risknc] and [mpinner] have been working on a couple of LED light staff designs for a while now and have come up with a prototype that can light up the night with an array of streaming colors. There is even a dial that can turn up and down the brightness.

Originally, [risknc] began developing his own project at SpaceX and dove further into the idea right before Burning Man. The visual effects, when twirled through the air, produced an extremely bright flow of energy that can be seen circling around the user.

The 8ft long carbon fiber staff was stuffed to the edges with RGB LEDs. Neopixel strips at 60 LED per meter were used to alternate between colors, and a whole bunch of white capable LEDs were embedded into the staff as well. One of early designs was purposefully left at a local hackerspace called Crashspace in Culver City, California. Photos of community members trying it out surfaced on the hackerspace’s website. In addition, a description of the staff and a few high-quality photos of the ‘Sparkle Stick’ were uploaded on to the Suprmasv projects page. Searching through the pictures reveal an instance that shows the LED light staff being used during a flow session with a fire poi spinner in the background. Perhaps there is a way to combine LEDs and fire? Anyways, a later version of the staff was tested out at the 2014 Maker Faire in San Francisco.

Full specs and logs of the project can be found on Hackaday.io. A quick video of [mpinner]‘s light staff being spun around comes up after the break. In the video, it looks like they are testing it out outside of Crashspace as they run through the darkness of the alleyway in the back, lighting up the area with a nice LED glow. Plans for the future include building a bunch of them and wirelessly syncing them up. CAD models will be uploaded soon as well.

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