| It has been known since Einstein that time is relative. This seems to apply particularly to children, who can make seconds and minutes seem...
More about Time (720)
| The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...
| Most digital multimeters have a sensitivity of 200 mV and in input impedance of 10 MOhm. With this information you can calculate that at ful...
| This circuit demonstrates how easily a timebase can be designed using a minimum number of components. This circuit consists of no more than...
| Despite the digital revolution there continue to be many photographers who still prefer to work with an ‘analogue’ SLR camera. While most of...
| Many households have a utility supply with a separate day/night tariff, where the electricity board delivers cheaper power during the night...
| an old analogue multimeter is that you find yourself actually thinking before taking a measurement. Questions you ask yourself should includ...
| The Elektor Time Standard and associated Slave Unit were spin-offs of another hugely successful project, the DCF77 Receiver / Locked Frequen...
| Based on the MS5534 pressure sensor made by the Swiss company INTERSEMA (specialized in pressure measurements), with one metre resolution in...
| A model racetrack is a nice toy for boys. Even the ‘big’ boys like to race a little every once in a while. Of course, it is no longer consid...