. . . . SHIS ACTIVISTS. COVID Mask Wearing. Announcement System.
. . ORIGINATION OF THE IDEA. Our initial idea for this model came to us during the pandemic that we have been going through since.
. . In everyday life, people with busy lives tend to forget to wear their masks. Sometimes, people that refuse to wear masks because of personal choices get into conflicts with people that ask them to do so..
. . . The main concept used in our COVID mask wearing announcement system.
. . ARINC ANNOUNCEMENT SYSTEM Kit Volume regulator Speaker attached to lid of box Recorder/play kit.
. . DESCRIPTION OF THE COMPONENTS. TRANSISTOR Transistors are commonly used in digital circuits as electronic switches which can be either in an "on" or "off" state.
. . RECTIFIER A rectifier is an electrical device that converts AC to the DC current in a circuit. TIMER The timer is used to measure specific time intervals for the announcement of the voice recording in the system.
. . . . i'. DURING THE MAKING OF OUR COVID MASK WEARING ANNOUNCEMENT SYSTEM.
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. . USES OF COVID MASK. WEARING ANNOUNCEMENT. SYSTEM IN DAILY LIFE.
. . THANK YOU SO MUCH FOR WATCHING OUR PPT. For further explanation, we have a video to give you complete clarity.