HI BroHogan, I have tried to use your code on my dual LED Matrix, Arduino Playground - MultiplexMAX72xx However I found out that if the ISR set to be low such as 190, only green alternative col will be light up, if I set it to high such as 1000, only red alternative col will be light up. Do you ha…

Problem with Multiplexing the MAX72xx to Drive a 2

Topic		Replies	Views
New around with a strange problem(8x8 matrix) LEDs and Multiplexing	12	4506	May 6, 2021
Problem using the max7219 to drive a RG led matrix Interfacing	14	5554	May 6, 2021
Help needed with a Sparkfun LED Matrix - Dual Interfacing	5	1523	May 6, 2021
LED Matrix troubleshooting LEDs and Multiplexing	4	3270	May 6, 2021
MAX7219 problem LEDs and Multiplexing	3	1709	May 6, 2021