Indian Technology how to make a perfect led flash
Hello friends in this video I make a good quality flashing lights which you can make easily by watching this video in this video I simply show how to make a led bulb by using old materials
make this led flash bulb I use this product in below:
1.3 watt led
2.old mobile battery 3.7 volt
3.switch
4.some kinds connecting wires
5.some simple ideas