| An Arduino Nano microcontroller provides a simple and cost-effective platform for battery measurements and testing. When paired with TestLab...
All items tagged with Circuits & Circuit Design and Test Measurement News (81)
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| Spectrum analyzer span can make an RF measurement look convincing while giving the wrong frequency and amplitude. In this Elektor TV excerpt...
| CoffeeCaller is an open-hardware nRF52840 platform that shows the practical work behind reproducible embedded hardware. In this Elektor Engi...
| Avoid unexpected shutdowns in your 9-V-powered projects with this simple low-battery indicator circuit. Using just a handful of components,...
| Elektor partners with oemsecrets to embed an electronic component search tool directly into articles. Engineers can quickly find, compare, a...
| Audio notch filters are useful when an engineer needs to see low-level harmonic distortion that would otherwise be buried under a much large...
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| Professional audio systems often use fully differential signal chains — from inputs and outputs to ADCs, DACs, and filtering stages — to ach...
| A clever 1997 Elektor design shows how accurate RMS-to-DC conversion can be achieved using just two op-amps and a handful of components. Thi...
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
| Audio measurements are the focus of Elektor Lab Talk #45, where Brian Tristam Williams, Jens Nickel, and Alfred Rosenkränzer dug into distor...