Abstract: In this work, a wireless passive high-sensitivity displacement sensor operated in the ultrahigh-frequency (UHF) radio frequency identification (RFID) band is proposed for displacement ...

A story claims a revolutionary skunk works built a quantum sensor that was used to locate a missing airman by reading his pulse from 40 miles away. But physicists say the laws of biomagnetism make ...

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

The ESP32 does everything a Pi Pico does, but costs less and lasts 100x longer on batteries ...

The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

It's why DIY smart home projects suddenly got cheap (and actually doable) ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...

Drones are widely used across several fields, including aerial photography, surveying, inspection, agriculture, and ...

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 ...

Abstract: Soft strain sensors are soft electronic devices capable of quantifying mechanical deformation, and they have been extensively explored in human health monitoring, and soft robotics. However, ...

An ESP32 firmware that measures distance with an ultrasonic sensor and displays it on a WS2812 LED strip — designed as a garage parking aid and as a learning project for embedded development with ...