What is Alexa? Alexa is Amazon's virtual personal assistant. It has been around for about two years now. It was ...

Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. I’m ...

Crystal oscillators have only one function. That is to provide stable clock pulses to the digital circuit. Almost all ...

Well, this is actually a very interesting question technically. And it gets us to how quartz movements work. I beg the ...

In the previous post - Matrix Keypad with Atmega8 - part 1, we discussed why a matrix keypad is useful and how we can ...

Many embedded applications require a large number of keys connected to a computing system. For example - a PC ...