Switch or relay

Sonoff BASIC R1

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Replacement firmware

Control a wired light locally from Home Assistant, with the guide’s optional wall-switch wiring.

How to get started

Use the matching ESPHome configuration, add Wi-Fi details and install it through the device’s programming connection. Future ESPHome updates can use Wi-Fi. The guide also covers the wall-switch wiring.

Setup
Replacement firmware · programming connection
You’ll need
Opening the device and a USB-to-serial adapter; match the hardware in the guide.
Open device guidedevices.esphome.io
Technical references

Security

Saved scan

No device-specific advisory matched our saved CVE research.

Check security advisories for this device · CVE.org