Hi all, I am new at this. I have an ARDUINO UNO and purchased a kit containing a board and an 8x8 led matrix and a MAX7219. Once assembeled, and the matrix plugged in, it gives me a 5 pin input "VCC, GND, DIN, CS and CLK" I have TWO problems: 1- Apart from the Power and Ground, I can't find the cor…

MAX7219 and 51 MCU 8x8 LED matrix

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