Those WS28xx lights are probably the way to go. There are many projects based on them.
http://forum.beaglefu.com/topic/80-beaglebone-black-drive-a-ws2811-led-strip-with-spi/ is one such project, and there are countless others for different embedded platforms / types. On Thu, Jun 19, 2014 at 7:35 AM, David Funk <[email protected]> wrote: > That's one way. > > There are many ways to do something, it all depends on the materials > available, on your skill set and what you're used to. Anything that works > is a right answer. > > I take it these are discrete LED's? Have you looked at LED strips and > "intelligent" LED pixels? (WS2811 LEDs and WS2811 LED strips) Those items > have PWM drivers built in. > > Also for BBB, look at LEDscape, it's a software package that runs RGB > LED's. http://trmm.net/Category:LEDscape Read/research through all the > LEDscape stuff you can. A lot of information is available, just not in a > step-by-step format. > > You'll still need an interface to match the BBB's 3v pins to the 5 > volts/12 volts needed for LED strips or Pixels. > > > Making Arduino libraries work on BBB is an exercise for very advanced > programmers, not a trivial task. > > > > -david > > > > > On Thu, Jun 19, 2014 at 12:49 AM, <[email protected]> wrote: > >> Hi, I am programmer and new to electonics and BBB, so please be gentle >> with me :) >> >> I have a project that involves controlling 48 RGB LEDS and want to be >> able to control color and brightness and animation of the LEDs based on >> other sensory inputs. eg changing colors, brightness and patterns when an >> imput sensor detects a change in temperature >> >> After some searching around I have found the Adafruit 24-Channel 12-bit >> PWM LED Driver - SPI Interface >> here https://www.adafruit.com/product/1429 >> >> So I am contemplating getting 6 of these and chaining them together to be >> able to control the 144 channels (3 x 48) required to drive the LEDs. >> >> My questions are : >> >> Is this the right way to go or is there a better way ? For example are >> there other breakout boards that can drive 144 channels on there own or is >> 24 channels the maximum available ? Or do I need to build a custom circuit >> for this ? >> >> There are arduino libraries available for these LED Driver breakout >> boards but I need to run on BBB so can anyone tell me how hard it would be >> to adapt the libraries for BBB from the arduino ones ? Or would it be >> better to do this on an arduino and pass the logic through to that from the >> BBB ? >> >> Any other thoughts on additional hardware that might be required to make >> this work. >> >> If anyone has done similar projects I would be extremely grateful for any >> advise or pitfalls >> >> thanks >> lynton >> > > > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
