Hello, I am doing a school project and I have a little problem going on with programming. I am not so good in programming so I really don t know how to program my keypad. I created a door which opens by typing the right code. It works, but i would like to improve it. If the person types a code 5 times wrong i would like to somehow deactivate the keypad so that i am not able to type the pin code again on my LCD I2C display. I tried it a few times but I dont know how to do it.
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