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Could be power issue, you can try full white and if you see it go to other colors further along you don't have enough power or it's too long and can't reach all the leds properly.
Depending on the power supply you can connect the 5V power line to the leds at both ends (beginning and end) and see if that resolves it, this will make sure the power reaches every led.

Had the same issue as after about 2/3 of the led rail it would turn yellow when sending full white color command and connecting power at both ends fixed it.

Could be that XBMC is interferring somehow, disabled it myself as I only use the the Raspberry Pi for Hyperion and some domotica stuff.
You can disable XBMC / Kodi completely if you want by excecuting this comand in your ssh shell:

[code]echo "touch /var/lock/xbmc.disabled" > /storage/.config/autostart.sh[/code]

If you reboot afterwards it should no longer start up with it, however it might be different on OpenElec 5.0 so it could be this command instead if you run 5.0:

[code]echo "touch /var/lock/kodi.disabled" > /storage/.config/autostart.sh[/code]

Will add some more info for the Linux/Windows support in the first post , Windows support is supplied by their respected plugins (AtmoLight / Kodi) and more or less the same with Linux.

The reason is that to be able to drive the leds it requires a direct connection to the leds for the WS2801 leds and most normal machines can't do that as they have no easily accessible SPI option, for the WS2812 leds it should be possible to run it on any generic Linux machine depending on the module requirements.
Windows support on the other hand is left out because the developers either love Linux or some parts of their C++ code or external module requirements can't run under Windows (more likely), would be great if they do make an Windows version of Hyperion some day but development seems slow for some time now so doubt it will happen anytime soon

Without the plugins there's the Video Capture solution which runs independently on the Raspberry Pi however that one is harder to setup properly but can be done as well, end result is best with the plugins (AtmoLight in my case) as Video Capture can have some color offsets as the analog conversion slightly washes the colors

<blockquote data-quote="Rick164" data-source="post: 1118378" data-attributes="member: 17766">Could be power issue, you can try full white and if you see it go to other colors further along you don't have enough power or it's too long and can't reach all the leds properly.Depending on the power supply you can connect the 5V power line to the leds at both ends (beginning and end) and see if that resolves it, this will make sure the power reaches every led.Had the same issue as after about 2/3 of the led rail it would turn yellow when sending full white color command and connecting power at both ends fixed it.Could be that XBMC is interferring somehow, disabled it myself as I only use the the Raspberry Pi for Hyperion and some domotica stuff.You can disable XBMC / Kodi completely if you want by excecuting this comand in your ssh shell:[code]echo &quot;touch /var/lock/xbmc.disabled&quot; &gt; /storage/.config/autostart.sh[/code]If you reboot afterwards it should no longer start up with it, however it might be different on OpenElec 5.0 so it could be this command instead if you run 5.0:[code]echo &quot;touch /var/lock/kodi.disabled&quot; &gt; /storage/.config/autostart.sh[/code]Will add some more info for the Linux/Windows support in the first post <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /> , Windows support is supplied by their respected plugins (AtmoLight / Kodi) and more or less the same with Linux.The reason is that to be able to drive the leds it requires a direct connection to the leds for the WS2801 leds and most normal machines can't do that as they have no easily accessible SPI option, for the WS2812 leds it should be possible to run it on any generic Linux machine depending on the module requirements.Windows support on the other hand is left out because the developers either love Linux or some parts of their C++ code or external module requirements can't run under Windows (more likely), would be great if they do make an Windows version of Hyperion some day but development seems slow for some time now so doubt it will happen anytime soon <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />Without the plugins there's the Video Capture solution which runs independently on the Raspberry Pi however that one is harder to setup properly but can be done as well, end result is best with the plugins (AtmoLight in my case) as Video Capture can have some color offsets as the analog conversion slightly washes the colors</blockquote>

[QUOTE="Rick164, post: 1118378, member: 17766"] Could be power issue, you can try full white and if you see it go to other colors further along you don't have enough power or it's too long and can't reach all the leds properly. Depending on the power supply you can connect the 5V power line to the leds at both ends (beginning and end) and see if that resolves it, this will make sure the power reaches every led. Had the same issue as after about 2/3 of the led rail it would turn yellow when sending full white color command and connecting power at both ends fixed it. Could be that XBMC is interferring somehow, disabled it myself as I only use the the Raspberry Pi for Hyperion and some domotica stuff. You can disable XBMC / Kodi completely if you want by excecuting this comand in your ssh shell: [code]echo "touch /var/lock/xbmc.disabled" > /storage/.config/autostart.sh[/code] If you reboot afterwards it should no longer start up with it, however it might be different on OpenElec 5.0 so it could be this command instead if you run 5.0: [code]echo "touch /var/lock/kodi.disabled" > /storage/.config/autostart.sh[/code] Will add some more info for the Linux/Windows support in the first post :) , Windows support is supplied by their respected plugins (AtmoLight / Kodi) and more or less the same with Linux. The reason is that to be able to drive the leds it requires a direct connection to the leds for the WS2801 leds and most normal machines can't do that as they have no easily accessible SPI option, for the WS2812 leds it should be possible to run it on any generic Linux machine depending on the module requirements. Windows support on the other hand is left out because the developers either love Linux or some parts of their C++ code or external module requirements can't run under Windows (more likely), would be great if they do make an Windows version of Hyperion some day but development seems slow for some time now so doubt it will happen anytime soon :) Without the plugins there's the Video Capture solution which runs independently on the Raspberry Pi however that one is harder to setup properly but can be done as well, end result is best with the plugins (AtmoLight in my case) as Video Capture can have some color offsets as the analog conversion slightly washes the colors [/QUOTE]