Smart plug

Sonoff S20

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Projects for this device

Replacement firmware

Switch the plug locally from Home Assistant while keeping its physical button.

How to get started

Start with the matching ESPHome device configuration, set your Wi-Fi details and install it through ESPHome Device Builder. Initial conversion uses device programming access; later ESPHome updates can use Wi-Fi.

Setup
replacement firmware; initial programming connection, then OTA
You’ll need
Matching device configuration and attached sensor, where applicable.
Open device guidedevices.esphome.io
Build
Build firmware from the device configuration.
Sources
Technical references

Security

Saved scan

No device-specific advisory matched our saved CVE research.

Check security advisories for this device · CVE.org