Switch or relay

Sonoff Mini R4M

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Projects for this device

Replacement firmware

Run ESPHome for local Home Assistant control of the relay and switch input.

How to get started

The contributor replaces the locked controller chip with a compatible chip programmed with ESPHome. This requires chip-level soldering.

Setup
Chip replacement + firmware
You’ll need
ESP32-C3 chip replacement and electronics soldering skills.
Open device guidedevices.esphome.io
Build
Build firmware from the device configuration.
Sources

Hardware details

Security

Saved scan

No device-specific advisory matched our saved CVE research.

Check security advisories for this device · CVE.org