1. Some parts needs in this project.

2. Soldering.

3. Finished.

Product list:

1.wire link:https://www.utsource.net/category/accessories-tools/wires-cables-1.html

2.battery link:https://www.utsource.net/category/electromechanical-1.html

3.soldering iron link:https://www.utsource.net/category/accessories-tools/tools-1.html

4.led light link:https://www.utsource.net/category/led-lighting-1.html

5.resister link:https://www.utsource.net/category/led-lighting-1.html

6.switch link:https://www.utsource.net/category/electromechanical-1.html

More details, pls check the video on Youtube: