| This 100-percent TUP & TUN circuit measures the peak value of an AC voltage up to 6 volts in amplitude, regardless of the waveform or if...
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| This circuit looks relatively simple at first sight but it is nevertheless quite versatile. It can be configured to provide a flashing or d...
| With this circuit you can detect the presence of an object from some distance away, depending on the sensitivity and the size of the obje...
| Microcontroller compilers, programmers and devices are now commodity items. In this article brought to you by Elektor.POST we look at one c...
| Even though modern cars have a whole lot of technical and electronic novelties on board, a simple indication of the state of the car batte...
| In our first dot-Post on the BeagleBone Black (BBB) we looked at digital I/O. In this installment we’ll deal with the BBB’s analog capabili...
| Lead acid batteries come in several different forms and are quite troublefree. OK, so they don’t like to be overcharged, but the charger un...
| A simple audio-band noise generator is a useful tool for testing amplifiers. In days gone by, you would use a diode or the base-emitter...
| Back in Elektor.POST, Project Edition # 25 we introduced the BeagleBone Black (BBB) and looked at its specification and I/O ports. Now, b...
| Here’s a multi-player (max. 4) version of that nerve-racking game called Wire Loop where contestants have to pass a metal loop around a str...