A state-managed Arduino Uno project that combines an HC-SR04 ultrasonic distance sensor, a 4x4 matrix keypad, and a physical push button to create a secure, proximity-activated entry system. The ...

Hi! I’m Andrei from Romania, and this is my sixth WRO season. This is my second season in Future Engineers, as before I competed in the Robomission category. I am passionate about robotics, especially ...