1. Some parts needs in this project.

2. Soldering.

3. Finished.

Product list:

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

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

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

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

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

More details, pls check the video on Youtube: