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AusChristmasLighting 101 Manual
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[QUOTE="chrisparton1991, post: 81677, member: 25579"] Thanks for the replies everyone! I appreciate the advice keithsw1111 (and Fing ;) ). I suspect I could move on to a more mature technology in a couple of years, but I'm really keen to see what I can build myself using simple Arduino gear. I know it's never going to be as robust as a well-developed system, but I really enjoy pushing myself to learn a bit about all the different aspects of getting a display together. MikeKrebs, I've pushed my Arduino sketches to [URL]https://github.com/chrisparton1991/xmas-2016[/URL] and added a README explaining a bit about what I've done. My synchronisation is very basic for this year. I've manually tuned the Arduinos to run at close to the same speed. A separate Arduino cycles the ATX power supply that runs everything. This keeps the animation in sync over a longer period of time. I'm not a fan of this approach, but I have something better in mind for next year. I'm driving 150 LEDs from each Arduino, though they're only addressable in groups of 3 LEDs, so effectively 50 LEDs per Arduino. Rendering out to the strip takes around 2 milliseconds, so I could easily drive a lot more strips from each Arduino. I'm currently using cheap UCS1903 strips, which are quite slow. I'm sure I could speed up the rendering considerably by using some APA102 or similar strips, but it's not currently an issue for me. For next year's lights, I plan on using ESP8266 (or possibly ESP32) chips to run the strips. They'll be pulling UDP packets over Wi-Fi from a local server that provides animation data. This will eliminate the need for any manual synchronisation or power supply resets. The main challenge will be getting the ESP chips to be robust enough. [/QUOTE]
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The title of our introductory lighting manual contains a three digit number. What is that number? Clue: Display basics forum
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