SONOFF releases HTTP API for SPM-Main power meter
SPM-Main is the main unit of Sonoff Smart Stackable Power Meter using RS485 to provide up to 128 relays. Besides support for the eWelink mobile app, we were promised an HTTP API at the time of the launch in September 2021. ITEAD kept its promises and has now released the HTTP API for the SPM-Main smart power meter to allow IoT home automation users and developers to control SONOFF devices via existing home automation open-source platform or local HTTP client. It’s the same REST API used for SONOFF MINI & R3 smart switches, but it adds support for power monitoring as well. The API allows you to switch between eWelink and DIY modes as needed, and provides the following functions: Device Status Broadcast – Returns the switch status of all channels with current, voltage, power, overload status, RS485 communication status, and more Get the List of Sub-device – List of […]