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

Abstract: This paper presents a novel and straightforward architecture for a batteryless sensor tag. The tag consists solely of a 25x25 mm 2 spiral antenna used for both wireless power transfer and ...

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

The new ifm O6D series photoelectric distance sensors use time-of-flight technology to enable robust and reliable detection of objects at distances of up to three metres. Either a reflectance value or ...

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 ...

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

Abstract: Arduino Uno – Powered Parking Guidance System with Ultrasonic Sensors" is a smart and innovative solution for simplifying the parking process in crowded urban environments. This paper ...