Required equipment: computer, projector (now some projectors and mobile phones can also be connected)

You need a projector to project the video onto the wall. Use the following methods:

1. Connect the power cord of the projector, and connect the computer with the projector connector with the power cord.

2. Turn on the projector and the computer, turn on the resolution option in the computer, and select the resolution that matches the projector.

3. Adjust the screen size and definition of the projector with the remote controller of the projector, and correct the projection position and size after the screen content is projected onto the projection cloth.