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Turret Alarm Clock
Project type
Mechatronics
Date
October 2025
Tactical Unresponsive Riser Rousing Emergency Timer (T.U.R.R.E.T) is an alarm clock that shoots a nerf bullet at me to wake me up. I came up with this idea as I am an extremely heavy sleeper, not responding to most sounds (even fire alarms sometimes).
The alarm clock uses computer vision to identify myself on the bed and distance. It then calculates the angle needed to fire a parabolic shot at me. The nerf bullet launcher utilizes flywheels to fire the bullets at a consistent speed.
Launcher and aiming mechanism is designed on Solidworks and uses motors to aim and fire. A camera, alarm clock, and RTC module is used to set the time and identify my location.
The electrical schematic was designed on KiCAD. Python, OpenCV, Pytorch, and YOLO11 algorithm was used for the current object detection software.
Main components within the schematic include:
- Raspberry Pi 4
- Arduino Nano
- MG996R Servo Motor
- DC Motors
- L298N Driver
- DS3231 RTC Module
- I2C LCD 16x2
- Push Buttons
- Battery (Servo: 5v, DC: 7-12v, USB wall outlet adapter)
- BSS138-based 4-channel module
A Raspberry Pi Camera Module 3 is also used but was not placed in the schematic.





