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Re: [Paparazzi-devel] multicolor LED


From: Ben Laurie
Subject: Re: [Paparazzi-devel] multicolor LED
Date: Mon, 19 Aug 2013 08:12:15 -0400




On 19 August 2013 08:05, Cédric Marzer (privé) <address@hidden> wrote:

Lisa M is available there : http://transition-robotics.com/collections/autopilots/products/lisa-m-v2-0

 

As you seem to be a ws2812 expert and I didn’t take the time to watch into details into the specs :

Is there a chance that I can make it work without using too much cpu time ? My idea is just to change the color from time to time for instance when the battery gets low.

If I understand well, I just need to send the color I want once and it will not use any cpu time until I want another color. Am I right ?


Yes.

BTW, these things are _very_ bright :-)

 

Cédric

 

De : paparazzi-devel-bounces+spam1=address@hidden [mailto:paparazzi-devel-bounces+spam1=address@hidden] De la part de Ben Laurie
Envoyé : lundi 19 août 2013 11:42
À : address@hidden
Objet : Re: [Paparazzi-devel] multicolor LED

 

Where does one get hold of a Lisa, BTW?

 

On 19 August 2013 05:39, Ben Laurie <address@hidden> wrote:

 

 

On 19 August 2013 05:35, Cédric Marzer (privé) <address@hidden> wrote:

I have bought one of those : https://www.sparkfun.com/products/11820

(WS2812 LED)

I will try to make it work with my lisa board to make something similar to the DJI stuff.

But before I start, I want to make sure that none has already done it…or have you ?

 

I wrote an Arduino driver for the WS2811 (at a glance, looks identical) which might help:

 

 

Note: not designed to work with standard arduino SDK (which sucks), but instead my own, which is in that repo.

 

Cédric


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