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Car Horn Alarm Clock (Older Project)

posted Mar 10, 2015, 12:27 AM by Neil Caulfield   [ updated Mar 13, 2015, 11:35 PM ]
Note: anything made prior to college is likely going to have a rather crude style of assembly, though I was quite resourceful with my limited allowance and access to transportation at the time.

Project Date: Fall 2009
Time to complete: less than 2 hours
Requirements: knowledge of basic circuitry

This simple project can be made for less than $50 and uses common electrical parts. 

  • Alarm clock
  • Horn
  • 12 volt relay
  • 12 volt power source

This project was inspired by KipKay's how-to, so be sure to check his video out for assembly instructions. 

A similar project was done using a bicycle, which can be found here.