I needed to verify that a newly installed LoRaWAN gateway was working correctly, so I built a simple and portable testing ...

In this video I'm using the Reyax RYRR30D NFC module to create a system that logs records to a Notion Database. The RYRR30D ...

The basic principle of radar systems is simple enough: send a radio signal out, and measure the time it takes for a reflection to return. Given the abundant sources of RF signals – television ...

Volos Projects recently showcased an easy-to-reproduce, inexpensive DIY ESP32-S3 Internet radio based on a Waveshare ESP32-S3-LCD-1.54 development board ...

Gesture control robotics replaces traditional buttons and joysticks with natural hand movements. This approach improves user ...

Abstract: This study presents a novel waveguide slot array with a code-division multiplexing function for single RF chain digital beamforming. The proposed antenna is comprised of a rectangular ...

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This project was the result of a faulty string of Chrsitmas lights that utilized an rf transmitter falling into my lap. I reverse engineered the rf signals broadcasted by a handheld remote and found ...

Sometimes the simplest projects can be quite interesting, provided they’re well documented. We hope that the Hackaday readers also think that the door sensor that [Alexander] developed falls into this ...

As with other brands, Canon's lenses feature many letters and acronyms in the lens names. Seeing something like Canon RF 24-105mm F4L IS USM can leave you scratching your head if you don't know what ...