Nuemonic devices

When hackers in July demonstrated their ability to hack a Jeep, Chrysler recalled over 1.4 million vehicles in an attempt to plug the software hole that had allowed the hackers to infiltrate the car's infotainment system and wreak havoc on everything from the air conditioning to the brakes. It's a noble show, but the ability to hack isn't confined to Jeeps. Or cars. In fact, as companies start churning out more and more connected gadgets, security isn't a top concern.

This article will show you a handy alternative approach to assessing stability via open-loop gain and the feedback factor.

Build a simple solar powered battery charger for Ni-MH batteries.