Oliver Info Sharing

 A big topic now for the EV era, especially for the ASEAN countries.  Today, suddenly, my friend asked me whether 740Le is a worth buy? He m...

Question:  A was born in 1955.  B was born in 1966.  How old is B when A is 68 years old? How many ways to calculate to get B's age when...

 It's been a while, or rather quire a long while, that I've left blogging. Why? It's because there's so many websites with b...

I'm pretty much happier and looking forward to be back to the normal life similar to 3 years ago, before the COVID-19 outbreak, but here...

Now I know why my HP laptop battery bulged up. It's due to prolong overheating effect inside the laptop enclosure. My system overheats a...

https://covid-19.kapook.com/view243852.html One doctor in Thailand who's been given 2 doses of Sinovac vaccine has just been infected by...

Looking back to those days when MS Frontpage was a tool for website building, and Tripot.com was one of the web hosts I used to use. Now, no...

A very detailed explanation on digital controlled totem pole PFC power supply.  https://www.powerelectronicsnews.com/design-considerations-o...

This is a very interesting power transfer design. Using RLC circuit as channels to power up device through fraudulent controlled supply. Ver...

This is a nice RLC Calculator tool. I came across it through a YouTube video of inductively powered led circuit design.  http://sim.okawa-de...

This is a good write up to explain what's needed for EV batteries.  https://www.allaboutcircuits.com/technical-articles/introduction-to-...

This is one good reference for electronic component symbols.  https://electronicsclub.info/circuitsymbols.htm

People have been eagerly waiting for vaccines to prevent the Corona virus COVID-19 infection. However, I think we should look for the most e...

 Most people would be more familiar with the voltage divider using series resistors. It's also known as Resistive Voltage Divider.  Ther...