| Construct this easy-to-make tool to detect hidden magnets and sensors inside modern appliances. You will find it ideal for repairs, experime...
More about Circuits & Circuit Design (391)
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| Commercial audio mixers are widely available. This design offers a scalable alternative by separating the system into distinct stages. Each...
| Interested in topics like RF and SDR? Watch the fiftieth episode of Elektor Engineering Insights to learn about SDR satellite signal decodin...
| Join us on May 28 for Elektor Engineering Insights episode #51 when we chat with veteran engineer Eddie Aho of Kiss Analog. Get expert takes...
| Semiconductor-based devices are intended to work within a certain temperature range only. They might malfunction or stop working abruptly if...
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| When it comes to searching for, or even sorting, the various quartz crystals at one’s disposal, it sometimes turns out that their markings a...
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| Precision, high-performance A/D converters, unlike the most common ones, require some extra technical considerations for interfacing and sig...
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| There are several situations where you may need to measure low resistance values, down to the milliohm range. One example is locating a shor...
| Whether you are designing, repairing, or testing audio and hi-fi gear, a reliable frequency counter is a must-have tool. This classic freque...
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| Here comes a small but intelligent circuit that virtually prevents us from making power supply errors, using a different cable for each sing...