Cómo saber si una fuente de alimentación está oscilando (prueba rápida)

How to KNOW if a switched power supply is OSCILLATING with this SIMPLE tool!! In this video tutorial we are going to know if a power source is damaged, in this case we are going to see how to make a homemade tool, homemade invention or homemade tools, to know if the power supply is oscillating, in my case I am going to use a power supply or power supply of an LG brand screen, we are going to mount the tool in an electrical box, the electronic components that we are going to use is a 1200v 333j polyester capacitor, a recycled incandescent bulb from a microwave oven, an electrical cable recycled power supply from some electronic device that is no longer used or that is no longer used, an electrical switch, in my case it is one of those used in homes or houses and then we take out 2 test leads with two electrical cables in On the electronic card we are going to take as reference two points, one the negative of the capacitor or electrolytic capacitor, the largest in the power supply, and the other we place in the MOSFET transistor, if there is no MOSFET transistor in the source we can locate it in the PWM chip or integrated circuit that surely internally has an internal MOS type transistor, we have to enter the datasheet or data sheet of the electronic component and see what pin configuration it has, there we will find one with the name DRAIN there goes our second test probe and if everything goes well, the light bulb will light up indicating that the power supply is oscillating. If you like the video, don't forget to leave your like, thank you...