new project with NEOPIXEL 144LEDSTRIP & Arduino

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kev06
 
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new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by kev06 »

Hey Adafruit!

I post here because I need you to help me with a project.

The idea? Controling a neopixel 144 LED strip (maybe the double?) with the tiniest controler possible.
BMP images will be converted by the arduino and sent into the led strip (with time, delay, tint control)
The hole thing will be wireless controled!


I allready have a first version of what I'm describe with a arduino mega, but it's too big and not wireless.
I can give you photos, references and code if you need.

I have made a list of what I need:

- Arduino micro 5V 16MHz
- Neopixel digital RGB led strip 144 LED
- Lithium batteries
- Graphic display
- SD Reader (to read BMP files )
- 4 directional buttoms + 1 select buttom
- Wireless system

I'm not sure about the component choice I have made... what do you think about it ?

I will probably need some help to adapt the last code into the new configuration...


I hope to be clear enaugh. Ask me any questions you need.

Thanks a lot :) !
(and sorry for this quite bad english...)

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pburgess
 
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Re: new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by pburgess »

I might be working on something similar at the moment (though much simplified -- no UI or wireless).

PJRC's Teensy is awesome for this. They sell a microSD card reader that sits right on top (or below) the board. But if you'll be adding a small display, some of these already include a microSD slot, e.g. http://www.adafruit.com/products/684

Wireless is a big question mark. Depends if you want to use WiFi, XBee or something else. The CC3000 and XBee breakout boards have a similar footprint, the former being a little slimmer because the parts are flush with the board.

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paulstoffregen
 
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Re: new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by paulstoffregen »


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kev06
 
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Re: new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by kev06 »

Thanks for the links!
They help a lot ;)

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paulstoffregen
 
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Re: new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by paulstoffregen »

Somebody was telling me about another chip, with the same protocol as WS2811, but fast PWM on the LED side. Sadly, I didn't store this info anywhere reliable. Also sounds like they're not widely available yet.

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pburgess
 
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Re: new project with NEOPIXEL 144LEDSTRIP & Arduino

Post by pburgess »

TM1829, maybe? That one has a similar protocol (but not identical -- inverted signal and stuff). And really coarse pixel density.

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