How to realize the LED light inside the jewelry box turns on when it is turned on?
Dec 16, 2020
Leave a message
How to realize the LED light inside the jewelry box turns on when it is turned on?
Inside the jewellery box, there is a device that lights up as soon as it is opened. How to achieve it. In fact, the general process is the same. The method of the box is still the usual way, but when the interior is assembled, there is a LED light. Equipped with battery, circuit board, switch, when the box is opened, it will touch the switch to form a path, and the light will turn on.