Open Lighting Architecture
summary
Explains DMX512 as 512 control slots over RS485 (250 kb/s, ~44 fps) and how network transports like Art‑Net/E1.31 map universes; shows an open source stack Open Lighting Architecture with Python/Java bindings, JSON web UI and Open Sound Control hooks. Demonstrates driving four 16×16 LED panels (~1,024 LEDs) deterministically using a BeagleBone PRU and an Open Pixel Controller workflow, notes USB DMX and pending RS485 plugin, claims the demo works and that a $60 dev board can emulate a $300 device.
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chapters (8)
- 0:00Introduction to DMX
- 0:55DMX fundamentals
- 3:00DMX signal timing
- 3:56Lighting applications
- 5:06DMX over IP protocols
- 6:55Open lighting architecture
- 11:03Hardware and data demos
- 14:37Q&A and concluding thoughts
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