intro: This is a prototype model of a multi-level elevator system developed using the Arduino platform. It is designed to demonstrate core automation concepts, including real-time embedded control, ...
#define BUTTON_2 5 // Button is connected to D5 pin #define BUTTON_3 6 // Button is connected to D6 pin #define PIN_TRIG 2 // HC-SR04 trig pin is connected to D2 pin #define PIN_ECHO 3 // HC-SR04 echo ...
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