Custom Detection Timer Project (ECE 342)
Embedded Files
The Custom Detection Timer (CDT) is a portable embedded system designed to monitor object presence using an ultrasonic sensor and provide timed visual and audible feedback. The system combines real-time sensing, user interaction, and alarm functionality to support focus and task-management applications.
Fig. 1. Final Assembled Custom Detection Timer (CDT) Prototype. The portable 3D-printed enclosure houses the display, control buttons, and power switch, providing a compact user interface for timer configuration and real-time system operation.
Key Features
• HC-SR04 ultrasonic object detection
• Adjustable countdown timer
• LCD status and timer display
• Audible buzzer alerts
• Portable battery-powered operation
• Real-time object monitoring
Hardware Components
• Arduino Uno
• HC-SR04 Ultrasonic Sensor
• 16×2 LCD Display
• Piezo Buzzer
• Push Buttons
• Battery Power Supply
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