| 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...
All items tagged with project and .POST Article (55)
| 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...
| Many low frequency inductors used in long and medium wave receiver design require a few hundred turns of wire. Winding the coils by hand ca...
| Just a few additional components are needed to turn a Raspberry Pi into a DC voltmeter capable of reading up to 5 V and displaying the resu...