Thomas Scherer (351)

1-10-2013 | It just so happened that on the last visit to my in-laws their electric doorbell had just stopped working. It is a wireless type I installed...

1-01-2013 | People building their own self-balancing electric scooters face the problem of determining unconditionally whether the rider is standing on...

1-12-2012 | This circuit refuses to be programmed by an AVRISP MKII programmer; but why?

1-12-2011 | In the September 2011 issue I recounted how I had witnessed the demise of two different LEDs both of which inexplicably began to flash on an...

1-09-2011 | It must have been about a year ago when I first noticed it. I plugged my electric corkscrew (what, doesn’t every engineer carry one in their...

1-03-2011 | Several technical terms in electronics are imprecisely defined, and ‘SoC’ is a prime example. The term can be used so narrowly as to cover o...

1-01-2011 | The chip with three fives in its type code sure is among the biggest selling ICs of all times, but from today’s perspective, the internal bl...

1-06-2010 | LiPos are becoming the cell of choice for a growing range of mobile applications. What exactly are 2s, 3s and 4s battery packs and why do th...

1-04-2010 | Here’s how three Elektor readers came up with an idea for a fully automatic fast charger to keep the batteries in prime condition. This low-...

1-07-2009 | The aim of this circuit is to trick a so-called ‘intelligent’ fan controller that a fan is connected to it when it is not. This may sound li...