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Eventually he came across the IS32FL3738 6×8 Dot Matrix LED Driver IC from ISSI which hit all the right bases.
Posted in LED Hacks Tagged 3d printed, copper tape, cree, diffuser, dot matrix LED, ESP32, IS32FL3738, led matrix, surplus, wi-fi ← Job Application Script Automates The Boring Stuff With Python ...
A host microcontroller communicates with them through I2C interface and uses a command set to configure and control the LED drivers, cap-sense touch buttons, GPIO pins and other embedded functions.
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