- Is it true that NeoPixels are used in Amazon Echo series?
- If so how many NeoPixel LED's are used?
- If so what are the optics used to give a smooth streak of colours?
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No, NeoPixel LEDs are not used, they use custom LEDs, then a circular strip of opaque plastic is used to diffuse the light from the individual LEDs. There are twelve LEDs on the Echo.
skillz21
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By custom do you mean a some other brand than NeoPixel, or the in-house made LED's by Amazon? – iamnagaky Jan 23 '18 at 08:23
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@iamnagaky They have SMD LEDs directly attached to one of the three circuit boards. – skillz21 Jan 23 '18 at 08:50
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@iamnagaky I think s/he just means plain RGB LEDs with no fancy control stuff. – user253751 Aug 22 '18 at 02:02