1. Prepare necessary articles, such as tinfoil, sticks, straws, glue, etc.
2. The length of the stick is 3 cm. Cut a small straw and stick it on one end of the stick. The circular arc surface of the straw is used as the contact surface with the screen;
3. Stick a piece of tin foil on the stick;
4. Take the tin strip cut from the straw to the place where you hold the pen body.
Capacitive stylus works through the current induction of human body. Capacitive touch screen is a four-layer composite glass screen. The inner surface and interlayer of the glass screen are coated with a layer of ITO, and the outermost layer is a thin protective layer of silica glass. Interlayer ITO coating is used as working surface, and four electrodes are led out from four corners. The inner ITO is the shielding layer to ensure a good working environment.