Sounds like the sleep code should be incorporated into a Keypad library. A variant of keypad.getkey() could be used to sleep until a key is pressed. It would probably be necessary to allow the depth of sleep to be adjusted.
Sounds like the sleep code should be incorporated into a Keypad library. A variant of keypad.getkey() could be used to sleep until a key is pressed. It would probably be necessary to allow the depth of sleep to be adjusted.