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A faulty “donut” antenna shipped with an ESP32-based ATS-Mini receiver was wired to cancel its own signal. Rewiring the loop fixed it and do...

Wireless alarms are everywhere: homes, businesses, and public facilities. But what happens when someone deliberately blocks their signal? Th...

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time oc...

Related tag Wireless

| 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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| High-frequency circuits have different demands than low-frequency designs like audio. Standard prototyping boards fall short for RF due to t...

| System check! Elektor wants to know how you approach version control. Do you use Git for everything? How do you back up your electronics pro...