Newbie alert ! I am trying to connect a dual color LED Matrix to my Uno. Have followed the instructions and using the code from a book. The matrix is a YSM-1288CR3G2C2 the circuit uses 8 one K resistors, and 12 Uno pins, only using Red. (No shift register) I know its difficult without seeing wha…

8x8 LED matrix - all LEDS on

mikeruss May 7, 2014, 9:27pm 3

sorry my explanation is wrong - it is using 16 pins for 1 color.

you are going to have to explain the multiplexing issue - what is it and what do I do about it ?

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