Given two batteries, it chooses the one to connect to the load based on the voltage measured at their poles. It can also be used to switch DC power supplies. The circuit we are proposing is an automatic battery switch made with power MOSFETs with very low RdsON, which are specifically for SMD.
The desperate search continues for survivors of a recent tsunami which struck parts of western Indonesia, as the country marks the 14-year anniversary of its 2004 Sumatra tragedy -- one of the most devastating ever recorded.
In today's video I will be showing you how I created a folding desk for my son's bedroom a couple of years ago. I decided to design a desk that had NO HINGES WHATSOEVER - and this is how I did it! Materials for the build is MDF - 25mm and about 8mm metal pin.
Every machinist needs to know, but that is confusing and often misunderstood: How to calculate speeds and feeds. Learn Formulas and step-by-step method for doing the calculations with an explanation and animations. Every curious student, machine operator or machinist should watch this video.