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A derby light tree, Raspberry Pi-based

Posted: Fri Jul 22, 2016 6:00 am
by Jeff Piazza
I've been envious for a while of the "Christmas tree light" systems I've seen, that flash lights in sequence on a pole just before triggering a race. This summer I decided to build my own light tree. Here's the result:



Physically, the tree starts as a 6-foot 4x4 vinyl fence post, to which ten light sockets are mounted. Internally, there's a Raspberry Pi and a relay board driving the lights.

Image

More details, including wiring diagrams and source code, at http://jeffpiazza.github.io/lighttree/.

/JEP