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ray @ rayshobby.net build a wifi enabled color led matrix using ESP8266. He writes:
Last Thursday I had a lot of fun doing a workshop at my college (UMass Amherst) where I taught students to use a WiFi-enabled Color LED matrix combined with Javascript programs to create animations displayed onto the LED matrix. The matrix is made of 5×7 WS2812 (NeoPixel) LEDs.
WiFi-enabled Color LED Matrix using ESP8266 and WS2812 LEDs – [Link]
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