?4K 60FPS现在可用！ 8x8 LED Matrix Diagram: www.circuitstoday.com/interfacing-8x8-led-matrix-with-arduino MAX7219 Document: www.sparkfun.com/datasheets/Components/General/COM-09622-MAX7219-MAX7221.pdf Arduino Reference: arduino.cc/reference Font: 思源黑体 Blo 用3个I/O口来控制64个LED｜MAX-7219介绍
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