Corbin Dunn
Redwood Monkey

Circus/Cyr Wheel

LED Cyr Wheel History

I figure it might be interesting to share my knowledge of how LED cyr wheels came about and the history of them. I may have gotten some dates and people wrong, so please feel free... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Geometric Patterns

A cool green geometric pattern on my LED cyr wheel.
Circus/Cyr Wheel

LED Cyr Wheel v3: More photos

Spinning cyr wheel with my buddy mario.   0.4s exposure, f/2.8, ISO 100, and a light focused on me:     1/8s exposure, f/2.8 ISO100:          
Circus/Cyr Wheel

LED Cyr Wheel v3: Text and Faces

Some more experimental pictures I took tonight with my new LED cyr wheel (version three!): Original source image that I’m playing on the wheel: The wheel has 806 pixels on each side, and the bitmap... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Test Video

A quick test run on my latest LED cyr wheel.
Circus/Cyr Wheel

Cyr Wheel App: Timeline improvements

Some improvements to the LED cyr wheel app! I am working on adding time codes to my timeline so I can more easily see the scale of things. Next will be at timeline marker, and... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Initial photos

The LED Cyr Wheel v3 is alive! A few initial pictures that I took with the help of my friend Mark from down the road. I need to do some more work on the wheel,... [read more]
Circus/Cyr Wheel
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LED Cyr Wheel v3: Time Lapse Video of Rolling the Wheel

I finally edited some footage I have of me rolling my LED cyr wheel. Here it is!
Circus/Cyr Wheel

LED Cyr Wheel v3: Custom app to control the wheel

I needed a good way to control my new LED Cyr Wheel (v3). I previously had an app that would allow me to generate a pattern sequence. I’ve been expanding on it and created an... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Expoy

Okay…the wheel is coming along! I haven’t posted a while — my internet was working poorly, and last weekend I went to Sedona (more on that in another post).   Notes to myself: Using the... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Routed tubing..

The LED Cyr Wheel moves along slowly! I screwed this little thing to my table so I could route the tubing. I used my same routing jig as last time:   Chips in a little... [read more]
Circus/Cyr Wheel

LED Cyr Wheel V3:Jig, and the circle

My drilling/tapping jig to hold the wheel steady while I drill and tap the inserts:   I put a coat of paste wax on the inserts to make them slide easily: All the pieces during... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: Notes…on inserts

Okay! I discovered that 1.240” for an insert is too thick. I had to do several passes with a sanding disk to take them down a bit. I’d say 1.230 is more close to the... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: “rolling” the wheel

Fresh rolled wheel:   Marking off the circumference with a flexible tape measure: After cutting it into a 5 piece wheel: Some of the curves where a little under-bent, so I rolled a few through... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: “Making Donuts”

“Making Donuts” is Bill Roberts, a “Cyr Smith” [term coined by Jesse], says when rolling cyr wheels.  So, I’m “making donuts” right now for my next wheel. This started by fixing up my harbor Freight... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3: boards arrived

My boards arrived from OSH Park today. This will combine all the necessary cool stuff:   A few days ago I got my new LEDs (144 per meter). A month or so ago I ordered... [read more]
Circus/Cyr Wheel

LED Cyr Wheel v3 is in the works.

I’ve been obsessed with making another LED cyr wheel that has improvements over my last one: Persistence of Vision (POV), better pattern sequence creation, and Bluetooth LE support.  I’m currently working on a PCB that... [read more]
Circus/Cyr Wheel
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New domain for cyr wheel stuff!

I now have http://www.rouecyr.org that redirects to my Circus/Cyr Wheel blog section. Cool!
Circus/Cyr Wheel

Cyr Wheel Tutorials – “The List”

Here is the start of a list of some Cyr Wheel Tutorial videos; many are by other people (ton’s by Mitch!), so I don’t take credit for the videos. As a reminder, here is info... [read more]
Circus/Cyr Wheel

LED cyr wheel (v2) repair

A bit over a year ago I started using my LED Cyr wheel v2. This version has LEDs embedded on the sides in epoxy, and it had been working pretty great until a show last... [read more]
Circus/Cyr Wheel
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Cyr Wheel Tutorials: Walkthrough manipulation

Learn some cyr wheel manipulations when you are tired of spinning or get dizzy :) I go through some of the basics on how to do this trick. Be careful! One of the first times... [read more]
Circus/Cyr Wheel
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Cyr Wheel Tutorials: Rock start to waltz

Cyr Wheel / Roue Cyr Tutorials: Rock start or side to side start, to waltz Here is another intermediate to advanced trick that took me a while to get. Really it was all about doing... [read more]
Circus/Cyr Wheel
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Cyr Wheel Tutorial: Superman

Here is a video tutorial on how to do the Superman move in a cyr wheel (roue cyr). This trick took me a long time to learn, and I’m still not perfect at it. Eventually... [read more]
Circus/Cyr Wheel

LED Cyr Wheel on Stage

Some pictures of my work with Velocity Circus at an event for UCSF Photos by Hiromi Yoshida, Courtesy of Gregangelo & Velocity Arts & Entertainment
Circus/Cyr Wheel

Photography: LED Cyr Wheel v2 Self Portraits

Self Portraits, Corbin Dunn, LED Cyr Wheel v2, September 11, 2014. Canon 5d, a timer of 10 exposures manually set for a specific aperture and shutter speed. Man Silhouette Pattern Test Single Pattern Test
Circus/Cyr Wheel, Photography
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Fire LED Cyr Wheel Pattern

I took some demo code and modified it to do a fire pattern in the cyr wheel:
Circus/Cyr Wheel

Angular Velocity in cyr wheel

This is a plot of the angular velocity vector when spinning in my cyr wheel. I took the gyro x/y/z value and created a vector (squared each value, added them, and took the square root).... [read more]
Circus/Cyr Wheel

Accelerometer woes

I have a accelerometer/gyro/compass combo in my wheel LSM303DHLHC, data sheet: http://www.pololu.com/file/download/LSM303DLHC.pdf?file_id=0J564 found via Pololu’s link: http://www.pololu.com/product/1268 It has been tough to figure out consistent data. First of all, I realized the compass has to... [read more]
Circus/Cyr Wheel
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How to make a cyr wheel: Insert detail

Here’s some details on my cyr wheel inserts that I make (aka: roue cyr):
Circus/Cyr Wheel
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LED Cyr Wheel: compass/accelerometer

The next step for my project is to add 3d position support by determining what angle and how fast the wheel is spinning at any given moment. The chip is in the wheel; I just... [read more]
Circus/Cyr Wheel

(c) 2008-2018 Corbin Dunn

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