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Education case from customer:
Thimble - Making Future Engineers
Note: Unassembled price is 39.9USD, assembled price is 49.99USD.
Description:
This Cube was made by six 4x4 LED matrix board, LED light is WS2812B, although it’s a Cube, but you can control every LED light’s brightness on this Cube, no complicated circuit, no additional component, just GND/VCC/Single three port! That’s the most amazing thing here!
Demo code for arduino:
https://github.com/adafruit/Adafruit_NeoPixel
Product Pictures:
Datasheet for WS2818B:
3D file download: