Though we don’t (yet) have any DotStar LEDs in matrix form, some users are itching to assemble their own from strips. To that end, we’ve released the Adafruit_DotStarMatrix library, a DotStar variant to our prior NeoMatrix library which provides text and graphics primitives.
Syntax is nearly identical to Adafruit_NeoMatrix, only the constructor has changed (since DotStars use two wires and can optionally use hardware SPI transfers), so refer to the example sketches and the NeoMatrix library documentation for use.
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Wow, 16 hours from someone in the Ask an Engineer chat saying they really needed a DotStar version of the NeoMatrix library to releasing the library. Phil B you and the rest of the Adafruit staff are amazing. This why I buy my electronics from Adafruit.