3 amazing invention with 4volt battery/dc motor/led light

3 amazing invention with 4volt battery/dc motor/led light3 awesome invention dc motor inventiondiy mini dc fandiy led emergency lightdiy portable torch #diyt

3 Simple Inventions with DC Motor

Continuous Power Supply: as long as you place in this battery replacement, you can use your device for 24 hours without changing batteries frequently,

Lenink AC Power Supply Adapter for 3 AA Battery, AA Battery Replacement Adapter for LED Light, Decorations (Black)

WORX WX082L 4V ZipSnip Cordless Electric Scissors, fabric scissors, rotary cutter

18650 3.7v Lithium Battery Charger Auto Cut-Off Circuit, business, video recording, candy

make free energy dc motor with light bulb 12v

100% free energy generator with two dc motor & small business ideas from মটর দিয়ে লাইট জালানো Watch Video

4 Amazing Invention Dc Motor & Battery

Led lights If you attach a 3v LED to a 9v battery, it will explode and/or burn. I'm assuming that I can just put 3 or more of these lights in sequence

10 Simple and Creative DIY Projects Using an Electric Motor

NW 5pcs DC 130 Motor 3V-4.5V 12500rpm DC Motor Strong Magnetism Motor with Wire for RC Toy : Toys & Games

Diy Electronic Kit Heart Shape Breathing Lamp Kit DC 4V-6V Breathing LED Diy Kit New Electronics Module Board Products

Making Trains Move: The History of LEGO Trains, Track, Motors and More - BrickNerd - All things LEGO and the LEGO fan community