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