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This project is a radar-like security system that detects objects using an ultrasonic sensor. Its main purpose is to monitor an area and alert when an object is detected nearby. The idea started from the concept of creating a simple motion detection system using basic electronic components and Arduino. I believe it is useful for others and for myself because it teaches how to integrate sensors, LEDs, a buzzer, a servo motor, and an LCD display into one functional project, while also being a practical solution for learning about automation and basic security systems.
Exemplu de schemă bloc: http://www.robs-projects.com/mp3proj/newplayer.html
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