Plugs and switches · Sonoff

Sonoff relays and switches

Cloud-first out of the box, but a short list of models answer to a genuine local API with no firmware change, and almost every model takes Tasmota.

ModelsBasic R3Mini R2Mini R3S26S31POW R3TH164CH Pro R3

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What it can become

What owners already do with it, easiest first.

Easy~15 minNo risk

Basic R3, Mini R2/R3 and a few bulbs answer to a documented local HTTP API once you flip DIY Mode in the eWeLink app. Check your exact model first.

An evening~30 minNo risk

Log in once to fetch each device's encryption key, then Home Assistant talks to it over your network from then on, no DIY Mode needed.

Hands-on~1.5 hCan brick it

Opening the case to reach a serial header, and sometimes soldering, gets you local MQTT and HTTP control with eWeLink dropped entirely.

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