I reckon it could legit.
The itead page for the new R3 sonoff basic uses some of the same images as the bangood listing:
https://www.itead.cc/sonoff-rfr3.html
But weird that they launched basic R3 and some other new stuff and didnt announce this at the same time…
Ah actually the mini is mentioned by sonoff employee on that page in the comments:
So IMO its official
And this fully confirms it:
Any telling what this is based on, still esp8266 I assume? Would be nice to know how likely it is to work with ESPHome.
I’m looking for something like this that works with a physical momentary switch (spring loaded toggle switch). So one press for on, one press for off, long press for dimming. I know aeotec make one but it’s so expensive. Anyone have any clues?
If (when) Tasmota can be flashed to this device, momentary operation would be supported. Long press can be implemented in Home Assistant using automations, see: Tasmota Long Press
Looking at the FCC filing: yes, it has an ESP8285 on the board.
These look very promissing.
Also, according to their manual, I dont get why they have two Neutral connections, what would be the functionality of a second N input?
There’s also no connection example that uses it
Ease of wiring. Look at the fan example in the middle. Rather than joining the sonoff neutral, incoming neutral and outgoing load neutral with a wire nut you can just insert the two neutrals in the terminal block. Like this:
Ah yes, that sounds reasonable.
I was excited that it would serve some new purpose 
Yes but unfortunately not the dimming bit. There is a large gap in the market for a cheap flashable retrofit dimmer like the aotec ones
We’ll be able to flash it - gnd, 3v3, tx and tx are broken out.
Unfortunately only to pretty small solder pads, but I guess that’s the price for such a compact device.
Also I assume that is aligned w iteads strategy to also open a diy rest api - they prefer you use the oob firmware and their api
Hope they get certified for Australian use
But it is not advertised or designed as a dimmer, you might as well say that it fails to provide a vehicle to land man on the moon.
I was replying to a post
I don’t know if this fits behind the switch in a normal European socket. You need to also consider the extra length of the wires which reside on the back of the switch in the wall socket, which is not that deep
Can’t see how this is any better than the Shelly, which already has CE approval and is smaller.
In fact it’s less interesting than Shelly as mone complicated to integrate in existing wiring (I used Shelly in my house and it was easy for wiring as it’s supported that the switch be wired on L line and not the two wires on its own at Shelly…
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F382989642493
You mean like this one? Its tuya/ smart life dimmer with optional physical switch input. I bought one, it uses an unusual esp8285 module. Managed to reverse engineer some of it and got it to dim with ESPHome. Unfortunately blew it up before I could get the switch part sorted. Cant justify buying another yet as I dont need a dimmer module (yet).
Nice find!
Can you share what you discovered to date?
Some of the tuya dimmers got supported already by tasmota so might be able to apply some of their work here, too.
It would be excellent if the switch works (can be made to work) with a momentary/retractive switch - e.g. click on, click off, hold for dim up and down.
