Rebuilding a scrolling sign project that I originally made from 74HC595's. Started a new circuit from scratch using MAX7219 chips. I was following this video on youtube as closely as I could HUGE LED matrix with Arduino - YouTube I bought the MAX7219s. I cut my sign into 8 segment sections. I’ve wi…

MAX7219 Wiring Confustion

Paul_B June 21, 2020, 11:38am 9

Grumpy_Mike:
This is because the Chinese government subsidise postage for exporters.

Indicating the country actually wants trade!

Topic		Replies	Views
MAX7219 in series LEDs and Multiplexing	5	900	May 6, 2021
MAX7219 + 8x8 Dot Matrix: All LEDs Always On, No Response to Commands LEDs and Multiplexing	34	207	August 30, 2025
Custom LED matrix with max7219 General Guidance	13	118	July 17, 2025
Max 7219 Issue (5V Leak) Programming	49	173	October 23, 2025
Max7219 and Capacitors LEDs and Multiplexing	20	9389	May 6, 2021