Sonoff Mini R4 Extreme Matter Smart Relay
Smart Electronics
“Solid no-neutral smart relay with Matter support, but cloud-first by default limits local control appeal. Good for UK/European 3-way switch retrofits, less ideal for privacy-focused home automation enthusiasts wanting fully local operation.”
- —
Compact form factor fits standard electrical boxes alongside existing wiring
youtube.comdouble A battery everybody should know what it's damn
- —
Matter protocol enables cross-ecosystem integration with HomeKit, Google Home, Alexa
smarty.ninjashould work in multiple smart home apps
- —
Improved terminal design prevents wire slipping and overtightening damage during installation
smarthomescene.compulled the wire towards the terminal without letting it slip
- —
S1/S2 dry contact inputs allow compatibility with low-voltage switch systems
youtube.comS1 S2 those going low voltage dry input
- —
ESP32C3 chip supports custom firmware for advanced local control without cloud dependency
youtube.comesp32c3 full screen pads hard read writing bad camera need supposed still cool your own firmware
- —
Can work in UK no-neutral wiring configurations without rewiring at the light
youtube.comSonoff extreme MINIr4 on 3way switch light UK NO-NEUTRAL required
- —
Defaults to cloud-only operation despite Matter's local-first promise
smarty.ninjaBy default, just as I thought, MiniR4M is a cloud device
- —
Matter pairing process had reported bugs at time of review
smarty.ninjaall the bugs may have already been fixed
- —
Requires separate Matter controller hub for Google Home and likely other ecosystems
smarthomescene.comyou will need a Matter controller added to your network