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6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor

These are some great DIY projects that you can do for cheap.

Track Room Occupancy Without Cameras Using ESP32 Wi-Fi Drops

Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
Hackaday

Reverse Engineering And Self-Hosting The OBI Smart Energy Tracker

Sold by German DIY store OBI, the OBI Energy Tracker is a €15 set of two devices, one of which you essentially stick on top ...
Hackaday

DIY SI5351 Radio Tunes In SW, MW, And More

There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
IEEE

Real-Time Safety Monitoring for Construction Sites Using RFID and Visual Recognition Technologies

Abstract: The integrated automated safety monitoring system for construction sites utilizes RFID, Wi-Fi, and vision-based recognition systems to enhance worker safety and ensure adherence to safety ...
IEEE

Real-Time Global Parcel Tracking System in the Supply Chain Using RFID and GPS

Abstract: This paper presents an in-depth exploration of a Real-Time Global Parcel Tracking System in the Supply Chain Using RFID and GPS, designed to revolutionize logistics and parcel management. By ...