Based on the ESP03 Wi-Fi module, this small and compact board (in Kit), allows you to detect the environmental parameters (of a room or a place in your home or any other kind of building) and publishes the data on Cloud. It can work for years, powered by two simple stylus batteries, without the need for power outlets.
It can be used for example to know if the environment where you store the pellets for your stove respects the require
