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I turned an ESP32 into a Bluetooth presence sensor, and it knows which room I'm in
I'll never lose my phone again.
Bonezegei_HCSR04 is a simple and easy-to-use Arduino library for interfacing HCSR04 ultrasonic sensor module. The library provides functions for measuring distance, setting trigger and echo pins. The ...
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 ...
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: This paper focused on the prototype development of a vehicle collision avoidance system (VCAS) using Arduino and Global Positioning System (GPS). Advanced systems for collision detection and ...
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