lmsb

Hi @rm-hull , Thanks for your help, - I ran the matrix_demo.py and also tried the basic lines as next: ``` import max7219.led as led device = led.matrix(cascaded = 4)...

@rm-hull , I'm now suspecting that the problem is speed. I say this because I followed your advise and disconnected everything else not related with the SPI lines, then ran...

@rm-hull , Would you have a basic set of byte commands to be used with the spidev_test to drive the max7219 LED display ? thanks, Luis.