Something I did with my arduino, Light painting

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it was made with this

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I used a python program to read a image file, and output most of a arduino program to display it, one column at a time as I walk across in front of my dslr set to a 20 second shutter.

cool

Cool, do you have the code posted somewhere?

I could use it this weekend camping. Trying to find something I can adapt to work with these LED Matrix Links.