| Wireless alarms are everywhere: homes, businesses, and public facilities. But what happens when someone deliberately blocks their signal? Th...
All items tagged with IoT Sensors News and Circuits & Circuit Design (36)
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| Control a water heater remotely with an ESP32 and Telegram. Switch it on or off and check its status from your smartphone—no home automation...
| The Elektor Circuit Special 2026 is here with a fresh collection of practical circuits and hands-on electronics projects. Explore designs in...
| Before smart cameras, wireless sensors, and connected security systems became commonplace, protecting a room could be as simple as a laser b...
| 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...
| Can a handful of transistors outperform a microcontroller? This acoustic sensor delivers reliable, fail-safe sound detection and shows how e...
| Elektor partners with oemsecrets to embed an electronic component search tool directly into articles. Engineers can quickly find, compare, a...
| The CoffeeCaller nRF52840 board is an open-hardware development platform built around Nordic Semiconductor’s nRF52840, with full KiCad desig...
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| To weigh large items like bicycles or suitcases, standard scales are often impractical. This solution uses up to four small scales that tran...