Write a message on your bicycle wheel
This cool hack prints a text message on your bicycle wheel:
bicycle wheel pov
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here is a slick hack involving a bicycle wheel and a persistence of vision toy.one thing that’s really cool about this one is there is a second led row that blinks out bitmaps backwards on one side of the wheel. this lets you print out text messages and have them be readable from both sides. it appears to work really well
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