How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

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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I always knew that Slap Battles was a pretty big deal on Roblox, but I didn't think that it was the actual slapping that was fun. Slap takes away the fun little gloves and trades them for the rough ...

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 ...

Arduino is being acquired by Qualcomm subject to regulatory approval for an undisclosed sum. Qualcomm Arduino introduces a new UNO form factor board, the Arduino UNO Q, which features both a STM32 MCU ...