| Various animal welfare associations everywhere in Europe have designated 2011 as the Year of the Bat. Their aim is to enhance public awarene...
All items tagged with Simple and Gerber (30)
| The PWM power stage discussed in the previous instalment (June 2009) can be used perfectly well on its own. But a matching preamplifier with...
| There are plenty of designs for simple audio power amplifiers. These generally have a class-AB or class-B topology. Here we present a very c...
| Capacitive switches have clear advantages compared to other types of touch switches (for example 50 Hz or 60 Hz detection or resistance dete...
| Electronics moves with the times. Over the years the options available change and there are ever different solutions to realising a certain...
| Circuits that convert a DC supply into a 50 Hz AC supply are called inverters. Commercial units are notable for their small size, high effic...
| Hard water is still the cause of all sorts of problems, in spite of the fact that standard tap water these days is (partially) decalcified....
| The debate still goes on as to which are better, valves or transistors. We don't intend to get involved in that argument here. But if y...
| Rechargeable 1.2-V AA cells are very popular for a large variety of (portable) applications. The number of different brands is enormous and...
| How do you know accurately if a magnet is stronger or weaker than one you’ve dubbed your reference device? This simple to build instrument h...