I want to arm and disarm a security system through a physical 4x4 keypad with a 4-digit code. it is possible in node red?

Iustin96 14 June 2020 12:50 3

I use Raspberry pi 3 b +. This is the interfece way : https://www.youtube.com/watch?v=yYnX5QodqQ4

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Can i control a Keypad 4x4 with node red?

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