These are some great DIY projects that you can do for cheap.
This library is experimental and implements a minimal subset of the functionality of the sensor. The library includes reading the temperature and humidity register and the manufacturer-ID register.
Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...
This project is an IoT-based weather station tailored for farmers to monitor their fields remotely. It collects comprehensive environmental data from Home, including wind speed, wind direction, ...
smart_farming/ ├── MainCode/ # Main smart farming system │ ├── offline/ # Offline version (standalone) │ │ ├── offline.ino # Main offline sketch │ │ └── config.h # Offline configuration │ ├── online/ ...