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𝐇𝐨𝐰 𝐓𝐨 𝐌𝐚𝐤𝐞 𝐄𝐚𝐫𝐭𝐡𝐪𝐮𝐚𝐤𝐞 𝐀𝐥𝐚𝐫𝐦 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐌𝐨𝐝𝐞𝐥

 

Hello guys! during a pandemic like this, it doesn't mean we are prevented from being creative. In the video above, I show How To Make Earthquake Alarm Working Model to fill your spare time. Listen carefully to the steps, okay, enjoy!



Tools and Materials    :

- 3  piece of cardboard; 9x9 cm; 7x2,5 cm; 4x2,5 cm

- 9V Battery

- 9V Battery Clip Connector

- On/Off Switch

- Buzzer

- Copper Wire

-  Nut Bolt

- Safety Pin

- Hot Glue


Steps                      :     

1.  Glue the cardboard in a standing position

2. Make a hole in the cardboard size 4x2,5 cm

3. Glue the safety pin in the middle of the cardbaord that stands

4. Cut the copper wire and take a piece from it

5. Secure it using a hot glue

6. Connect the wire to the nut bolt, make sure is tight

7. Connect the cable of On/Off Switch with 9V Battery Clip Connector and Buzzer

8. Connect the mains circuit with 9V Battery

9. Earthquake alarm has been set, try shaking the cardboard and there will be an alarm sound

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