Abstract: Accurate information perception is the foundation for the reliable operation and implementation of intelligent systems and equipment, with its core originating from sensors and data ...

Abstract: A low-cost indoor and outdoor air quality monitoring system is implemented using LoRa technology to measure parameters like temperature, humidity, PM 2.5 and Formalde-hyde in real-time. The ...

This is a great solution for a send-only battery-operated Home Assistant device. This library works in conjuction with the MQTT-Bridge project described here and here. An ESP32 device is programmed to ...