Hello Arduino Forum, Most of the info on using the Arduino for controlling hundreds of LEDs is about either shift registers (74HC595) or multiplexers like Maxim7219. The number of 74HC595s needed to do 250 LEDS causes a space issue. So the 7219 was chosen. But the research on the 7219 turned up …

Maxim7219 to contoll 256 LEDS

ieee488 April 16, 2018, 2:11pm 4

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