➢Step descriptions:
✦Step 1:-Solder the transistor and led together, 4 groups
✦Step 2:-Connect them.
✦Step 3:-Solder the water line
✦Step 4:- Pull the water to have a try.
『LED』 view more ⇒ https://www.utsource.net/category/led-lighting-1.html
Video on Yotube: