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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

Switch it with no cloud, no firmware change

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

Keep the rest of the fleet working without eWeLink

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

Replace the firmware with Tasmota

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

Everything built for it

29 projects from the index, most active first.

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