Share how to make a mobile phone loudspeaker using plastic wrap tubes and disposable paper cups. The method is very simple. Just dig a hole and assemble it together. Come and try it too~
Preparation materials: two disposable paper cups, plastic wrap tube.
First measure the center point of the plastic wrap tube, then place the center of the phone on the center point, trace the length and width of the phone with a pen, and then dig out a hole of corresponding size.
Put one end of the plastic wrap tube on the side of the paper cup, draw the size, and then dig out a hole of the corresponding size. The same method is used for both paper cups.
Finally, put the paper cup and plastic wrap tube together, and the simple mobile phone loudspeaker is ready~
