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Ambient Lighting System
New Ambient Lighting system - no knowledge
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<blockquote data-quote="Rick164" data-source="post: 1164385" data-attributes="member: 17766"><p>Brightness is the same compared the one lightpack uses (WS2801 afaik) only with the WS2812 you get more leds per meter and 1 data cable connection.</p><p></p><p></p><p></p><p>APA102 uses SPI (2 data wire connections) which offers better communication and compatibility (SPI is more common), don't notice it myself with the WS2812 but never saw them side by side however the reviews / comparisons so far say this:</p><p></p><p>- During low brightness movie scenes SPI (APA102 type) will work smoother / faster during color transitions.</p><p>- Higher data rate and better compatibility.</p><p></p><p>No Arduino is required and you connect these directly onto the rPI, it raises the cpu load a bit on it but should be fine as with the rPI 1 I ran 170 leds or so under 50% load with WS2801.</p><p></p><p></p><p></p><p></p><p>1m should be fine so you long as you use good quality cables.</p><p></p><p></p><p></p><p>Tried a 5m roll for Hyperion when starting out with it and worked fine so it can work with at least 300 leds.</p><p></p><p>Connection is the same as with WS2801 leds which has an connection scheme and chapter in the Hyperion topic <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> , only difference is when you make the Hyperion config you use APA102.</p><p></p><p></p><p></p><p>For soldering make sure to use a low powered soldering iron and thin electronic tin, also when you have 3M tape (to stick it on tv) behind it don't make it too hot or the glue will dissolve.</p><p>What also helps is to pre-tin the cable ends and led strip connections so that it's easy to solder them on, if you have a steady hand and patience it will work <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Rick164, post: 1164385, member: 17766"] Brightness is the same compared the one lightpack uses (WS2801 afaik) only with the WS2812 you get more leds per meter and 1 data cable connection. APA102 uses SPI (2 data wire connections) which offers better communication and compatibility (SPI is more common), don't notice it myself with the WS2812 but never saw them side by side however the reviews / comparisons so far say this: - During low brightness movie scenes SPI (APA102 type) will work smoother / faster during color transitions. - Higher data rate and better compatibility. No Arduino is required and you connect these directly onto the rPI, it raises the cpu load a bit on it but should be fine as with the rPI 1 I ran 170 leds or so under 50% load with WS2801. 1m should be fine so you long as you use good quality cables. Tried a 5m roll for Hyperion when starting out with it and worked fine so it can work with at least 300 leds. Connection is the same as with WS2801 leds which has an connection scheme and chapter in the Hyperion topic :) , only difference is when you make the Hyperion config you use APA102. For soldering make sure to use a low powered soldering iron and thin electronic tin, also when you have 3M tape (to stick it on tv) behind it don't make it too hot or the glue will dissolve. What also helps is to pre-tin the cable ends and led strip connections so that it's easy to solder them on, if you have a steady hand and patience it will work :) [/QUOTE]
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