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if we are in level 1, both the levels 2 and 3 are pressed it should go to level 2 even if level 3 was pressed first. For this to work, the program should remember which buttons (mind the plural!) have been pressed. Thus, instead of remembering only one request, as in int required_level =-1; it should have a boolean variable for each of the possible ...


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It sounds like you need to watch both encoder outputs and don't let one get ahead of the other. Naturally, they won't sync exactly (i.e., pulse simultaneously) but you can set a limit on how many counts to let them differ by, before pausing the faster actuator while the slower one catches up. If you need to save positions across a power failure, you'll need ...


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