| Sometimes we have the need for a simple ‘low-fi’ audio amplifier for experiments in the lab, or when superb sound quality is less important....
Eric Bogers (269)
| After discussing the block diagram last week, it's now time to look at the full schematic. But fear not – it is not particularly complicated...
| Have you ever wondered how a synthesizer (keyword: Jean-Michel Jarre, Vangelis) actually works? Wonder no longer – here we present such an i...
| In many countries the Corona regulations are being relaxed – rightly or wrongly, that is not for us to judge; we can only hope. Nevertheless...
| That we're presenting such a super-simple circuit here has two reasons: firstly, in these home-office times, the indoor ion climate is very...
| And then suddenly it arrived – Spring 2020. Despite the corona crisis and lockdown measures, spring will not be contained, and just as well....
| In July 2019 Elektor organised a small competition on their Labs website to discover who has the nicest/untidiest/most interesting/most rema...
| The Andonstar ADSM302 USB microscope is a popular aid for the ‘more fiddly work’ in the electronics lab (as is its ‘bigger brother’, the AD4...
| Nowadays you can buy these things ready-made for a mere trifle – but here you can see how this was done in the past...
| In a not yet dim past we started this series with an ‘energy-efficient relay’. Here is a variation on that topic, and a super-simple one at...