This project demonstrates a complete ESP32-based temperature monitoring system with visual indicators, buzzer alerts, OLED display, and a real-time web interface. It uses a DHT11 temperature sensor to ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Abstract: A substrate-integrated waveguide wireless passive temperature and pressure sensor, featuring an integrated metamaterial structure, has been developed to meet the stringent sensing ...

Abstract: This project presents an upgraded real-time people detection system designed to automate the operation of the Eco Breeze DC Fan, aiming to enhance energy efficiency and minimize the need for ...

跌倒行为监测：通过树莓派实施对跌倒行为的监控，主要聚焦于目标检测算法的研究，并采用YOLOv5算法来实现对老人跌倒的检测。对数据集进行多次训练，直到模型的准确度达到预定的目标。然后，将这个模型部署到目标设备上，对老人的行为进行视频监测，判断是否跌倒。最后通过GSM模块的短信功能进行报警。

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...