| A microcontroller produces a PWM (pulse width modulated) digital output signal which is filtered by a low-pass RC filter. Although the PWM s...
More about Simple (292)
| Like it or not, the microcontroller has become an indispensable part of electronics. However, there are still people who know very little ab...
| Small solar systems have a lot to offer where mains power is unavailable. Installing standalone systems is by no means difficult, using eith...
| 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....
| Current designs of slave flash units are, in the opinion of the writer, too complicated and may be simplified without any problems and witho...
| 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...
| The circuit described here is eminently suitable to indicate the capacity of a battery. We use a cheap electric clock for this. By connectin...
| Rechargeable 1.2-V AA cells are very popular for a large variety of (portable) applications. The number of different brands is enormous and...