hi! im 15 and im new to the Arduino scene. im trying to drive an 8x8 LED matrix using 2 74HC595 Shift registers. so far ive hooked up a 74HC595 + 330ohms for each the columns of LEDs , and 74HC595 + ULN2803A for the LED rows. i would like to learn to drive 8x8 LEDs 1st and then expand it from her…

driving 8x8 LED using 2 74HC595

system July 12, 2010, 10:30pm 3

ping pong Labs

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