There are several ways to check its water consumption, here I have chosen to place a hall-effect turbine at the exit of my hot water tank (water heater), this turbine is equipped with a temperature sensor, I have also put a turbine on the cold water network (optional).
This wattmeter performs intelligent management with overload protection, electricity monitoring and statistics.
The SPM-Main communicates with the cloud via Ethernet or WiFi and communicates with the SPM-4Relay via RS-485, enabling stable, multi-terminal long-distance data transmission. Read More
Before using the Sonoff SPM, as for all products in the range, it is worth checking the firmware version and updating it. The update is done following the integration into eWelink. Read More
The Informe plugin is very easy to use and powerful at the same time.
This tutorial aims to allow a new user to discover the configuration and power of the plugin.
This tutorial describes a fictitious configuration over time, but a user who follows it to the end will be able to discover all the features of the plugin. Read More
The arrival on the market of the Sonoff POW R3 which accepts 25A gives me the idea of embarking on the control/piloting of my water heater. Until now, the low loads of previous equipment had pushed me back. Read More
⚠ This page was updated in September 2025.
For a more recent and optimised method: I flash an ESP Sonoff POW R3 with ESPHome. Read More
To complete the documentation page of the Sonoff-DIY plugin and the page explaining the integration of the Mini R3 in Jeedom, I come here to present what I will describe as the best Sonoff product in years!!
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