MAX7219 : Learn How to Easily Drive 64 LEDs using 3 wires.
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IC MAX7219 – 8 Digit 7 Segment, Dot Matrix 8×8 LED Display Driver IC - NN Digital | Learn Arduino, ESP8266 / NodeMCU, STM32, Raspberry Pi, Microcontroller and Other Information Technology
8x8 LED Matrix MAX7219 Tutorial with Scrolling Text & Android Control via Bluetooth