3 Simple Inventions and Great Ideas

In this video, i will teach you how how to make a 12v battery charger with your old mobile charger. Next, i will teach you how make 12v fixed output circuit from a 20v laptop charger using voltage divider method. Next, i will teach you how to make an electric desoldering pump. Mr. Electron 😍😎 = DC Motor Videos = What’s Inside = Repair & Restore = Make Welding Machine = DC Converters = Electric Bikes = AC & DC Generators = Alternators = Lithium Tab Welder = Follow Me At -