Arduino uno for a homelab project

[xfpd]

Adjustable speed, programmable, DIO sequencer...

Uno/Nano DIO Sequencer

Version 4 added PROGMEM to preserve RAM previous limit was 250 elements of 10 rows // DIO sequencer version 4 - using PROGMEM // - char arrays are flat (one long string, no comma separators) // - edit array elements using (star) "*" for "ON" and (dot) "." for "OFF" // - each row in an array must be the same length // https://forum.arduino.cc/t/uno-nano-dio-sequencer/1364441 #include <avr/pgmspace.h> // to offload arrays from RAM to PROGMEM byte ledPin[] = {4, 5, 6, 7, 8, 9, 10, 11, 12}; //…