More about Circuits & Circuit Design (346)

| The Elektor MultiCalculator Kit is the subject of this demo showing how this Arduino-based bench tool goes well beyond basic arithmetic. Bui...

| To weigh large items like bicycles or suitcases, standard scales are often impractical. This solution uses up to four small scales that tran...

| Audio amplifier fault diagnosis gets very practical in this short Elektor TV clip. Roberto Armani shows how a square-wave test can reveal be...

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| Operational amplifiers in analog circuits typically use negative feedback. However, phase shifts in the feedback loop can cause instability,...

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| In this series of articles, we will present a large number of audio circuits and small circuit projects, which are expressly intended for DI...

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| This second part of the small project series is a practical guide to assembling and testing the precision laboratory power supply presented...

| It's refreshing to revisit circuits that solve real problems with just a few parts and some smart thinking. This simple 4093-based audio pea...

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| This article describes a versatile Raspberry Pi RP2040–based signal generator that can be operated from a PC through an RS-232 interface. Re...

| A DIY square-wave source doesn’t need to be complicated. This compact 1992 design delivers 57 stable, TTL-compatible frequencies from a sing...

| Low-noise power for audio and sensors is easy to get “working” and hard to get quiet: in this Elektor Lab Talk #42 clip, Ton Giesberts shows...