A common feature in most of the electronic devices we use – cell phones, PDAs, notebooks, handheld media players, game systems, etc. – is the provision for connecting external accessories. Such ...

A comparator is a great circuit because it provides a near ideal transition between the analog and digital domains. The comparator looks at two linear input signals and gives a digital output that’s ...

[Stefan Gotteswinter] has a thing for precision. So it was no surprise when he confessed frustration that he was unable to check the squareness of the things he made in his shop to the degree his ...