Arduino UNO R3 proximity alarm shield with custom KiCAD PCB layout
This project creates a custom Arduino shield that triggers an alarm when an object is within 50cm. It uses an HC-SR04 ultrasonic sensor and features a custom PCB designed in KiCad. The project is useful for those looking to create a simple proximity alarm system.
View on GitHub →dasylva950-creator/HC-SR04_Alarm_Shield