Abstract: Some of the world's biggest problems, such as climate change and pollution, are being addressed, along with the management of finite resources, by environmental monitoring. However, there ...

This project monitors the pollution levels in a specific area using the MQ-135 gas sensor and sends the data to an IoT app. The app displays real-time pollution indices, providing users with an easy ...

Heart rate monitoring has been a mainstay of health and fitness, and while the stethoscope has given way to more precise electronic measuring devices, they've always involved wires and straps, or, in ...

This WiFi camera module is equipped with an ESP32-S3 chip and a 2MP camera, bringing users a new visual experience. No complicated settings are required, the 2.4G WiFi hotspot can be released after ...