➢Step descriptions:
✦Step 1:-Controlling the lighting time of a led
✦Step 2:-Increasing resistance capacity
✦Step 3:-The led lighting lasts approx.2 min
✦Step 4:-Building circuit in a protoboard
✦Step 5:-You can also add a relay
Product link on utsource.net
『 LED 』 view more ⇒
https://www.utsource.net/category/led-lighting-1.html
『Capacitor 220uF 』 view more ⇒
https://www.utsource.net/itm/p/6484438.html
Link of the video on YouTube: