Easy and work project

This project will show you how to make an automatic cabinet/wardrobe light that uses only one battery. This circuit has a very long battery life and easy to install, it does not consume any energy when standby too. All parts you need: 1 x 5 volts led strip 1 x 18650 battery 1 x refrigerator door switch Soldering iron wire hot glue gun screws 18650 battery can supply around 3.7 volts but the 5 volts strip can operate without any problem. This automatic cabinet light doesn't consume any energy when standby because of the switch is just on/off switch that uses metal contact. Let's see how it works in the video below.

Hello, today I will show you some life hack and repair that you never known. The methods time in the video shown below. 0:07 hack empty lighter to work again 0:35 Speaker dust cap repair 1:16 temporary increase smartphone sound volume 1:27 emergency cellphone stand

My vivo v9 has the ugly white spot on it. Don't think you can save your phone color by using a back cover, some small particles can enter in a phone case and cause severely scratches or white spot like my vivo v9 phone. However, you can fix it like a car paint repair job. See video below about how to repair back spot color on your smartphone.