Cheap 5V solar panel power test

Cheap 5V solar panel power test

In this video we go to test this cheap Chinese solar panel. Item size is 26 x 14 cm Weight is only 102 g and it’s very thin (about 1 mm) Panel contains voltage regulator which output should be 5V Maximal output current shoud be 1,2 A Let’s test the voltage Open-circuit voltage is 5.06…

How Hydroelectricity works?

How Hydroelectricity works?

{Intro Music} Green or Renewable energy is generated from Natural sources Such as wind, water, sunlight, rain and geothermal heat. One of them is hydroelectricity which uses water as a source and is generated in Hydro-power plants today Hydroelectricity produces approximately 24 percent of the world’s electrical energy. In this video we will learn how…

15-Yr-Old Kelvin Doe Wows M.I.T.

15-Yr-Old Kelvin Doe Wows M.I.T.

KELVIN DOE: My name is Kelvin Doe, aka DJ Focus. KELVIN DOE: Alright. Alright. It’s the youngest DJ. DJ Man Focus. KELVIN DOE: I’m from Sierra Leone, [Music] KELVIN DOE: and I love inventing. [Music] DAVID SENGEH: Kelvin is extraordinarily talented. He literally goes through trash cans – finds broken electronic parts in the garbage…