How to make a passcode for a door

Help
1

for like you put in numbers or somthing and it open a doror if its correct

2

you could use buttons that increments a counter by 1 if it is the correct one and resets it if it is wrong

3

anyways i gtg to bed now so if you respond then I won’t be on

4
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5

Don’t forget to read the comments below since there are some crucial information there.

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6

lol, im so late to replying. sorry, thanks btw

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