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Elecrow 16x32 RGB LED Matrix Panel for Arduino Driver RTC Chip DIY Kit RGB Connector Shield Module Graphic LED RGB Matrix Panel - AliExpress
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GitHub - Seeed-Studio/Seeed_Arduino_UltrathinLEDMatrix: an Ultrathin 32x16 LED matrix Arduino library
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Help on building an audio spectrum analyser using 16x32 RGB LED Matrix - LEDs and Multiplexing - Arduino Forum
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