| Before smart cameras, wireless sensors, and connected security systems became commonplace, protecting a room could be as simple as a laser b...
All items tagged with Circuits & Circuit Design and Circuits Circuit Design News (218)
| Long before SDRs became commonplace, this sophisticated FM exciter demonstrated how to generate precision wideband transmissions in the 430–...
| System check! Elektor wants to know which technologies interest you the most. Which emerging technology has your attention?
| A handful of CMOS logic chips is all it takes to build this versatile warning alarm. Discover a classic 1980 Elektor design that monitors se...
| System check! Elektor wants to know how you feel about PCB design. What type of PCB do you design most often? Which factors influence your d...
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| Build a compact battery-powered load-step tester to evaluate bench power supply transient response. Using MOSFET switching and Schmitt-trigg...
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| An Arduino Nano microcontroller provides a simple and cost-effective platform for battery measurements and testing. When paired with TestLab...
| Can a simple medium-wave radio receive shortwave broadcasts? In 2005, Burkhard Kainka answered that question with a creative two-transistor...
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| For many years, television sets were not equipped with a real on/off switch. This circuit completely disconnects the TV from the mains via r...
| How were engineers charging Li-ion batteries before today's highly integrated charger modules? Back in 2007, Elektor published a compact MAX...