Refreshing the OLED takes a lot of CPU. To improve efficiency, allow turning off the display, possibly with a keystroke, and turning it back on. Could also automatically turn off if inactive for some time and awake on any keystroke. Or if the display changes, or doesn't change for some time.
Refreshing the OLED takes a lot of CPU. To improve efficiency, allow turning off the display, possibly with a keystroke, and turning it back on. Could also automatically turn off if inactive for some time and awake on any keystroke. Or if the display changes, or doesn't change for some time.