Door Alarm Science Project

Door alarm project is a easy science fair ideas for school students. You can make this science project and learn about working model of door alarm. This project helps you How to make door alarm ? This School science projects Door alarm is made with the materials like 1. Buzzer 2. Switch 3. 9v Battery 4. Battery connector Some other common materials are cardboard, hot melting glue, scissor, color paper, which are easily available at you house and nearby electronic store. Some tags : #sciencefair #scienceProjects #Dooralarmproject If you liked this video, be sure to give thumbs up, comment and share with your friends and families !