• 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?

closed as off-topic by pipe, RoyC, Voltage Spike, PeterJ, Andy aka Jan 26 '18 at 17:07

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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.

  • \$\begingroup\$ By custom do you mean a some other brand than NeoPixel, or the in-house made LED's by Amazon? \$\endgroup\$ – iamnagaky Jan 23 '18 at 8:23
  • \$\begingroup\$ @iamnagaky They have SMD LEDs directly attached to one of the three circuit boards. \$\endgroup\$ – skillz21 Jan 23 '18 at 8:50
  • \$\begingroup\$ @iamnagaky I think s/he just means plain RGB LEDs with no fancy control stuff. \$\endgroup\$ – immibis Aug 22 '18 at 2:02

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