| The ET5410A+ is an affordable DC load, but its fan is very noisy. Let’s modify it for both quieter operation at light loads and better perfo...
More about Circuit (737)
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| Troubleshooting coffee machines with hidden magnets? Powered by AAA batteries and a Hall sensor, this simple magnet finder lights the way. L...
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| Compared to wiring, the printed circuit board allows us to organize our designs in a professional, rational and compact manner. However, to...
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| We hebben de laatste aflevering afgesloten met een paar generatoren met opamps - de blokgolf- en de driehoekgenerator. In de laatste “Alle b...
| To develop and service electrocardiogram (ECG) equipment, an artificial signal that mimics a real ECG is essential. Elektor presented this e...
| Learn how to read two potentiometers on a single digital input using a Schmitt-Trigger inverter and just six components. This compact, affor...
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| RS-485 or RS-422 buses are still widely used in industry for access control, video surveillance and many other applications. However, the st...
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| When measuring distortion in audio devices, it makes sense to filter out the controlling sinusoidal signal before the spectrum analyzer. Thi...
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| Vorige keer hebben we als laatste de instrumentatieversterker bekeken. Daarmee hebben we voorlopig genoeg theorie achter de kiezen; nu komen...
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| Lithium coin cells in the 2032 format and similar batteries are commonly used as “keep-alive” energy sources to maintain data and keep clock...